More water than any other river in the world enters the ocean through the Amazon. People moved because they followed the liquid system and settled close to the Amazon River's flow.
What effect does the Amazon River have on South America?
The Amazon River Basin is a significant source of natural resources for the growth of the human economy. It has some of the greatest known bauxite deposits in the world (almost 15% of the global total), and the Basin's businesses are some of the biggest producers of iron and steel for export.
In South America's west and south coasts, the Andes Mountains served as a barrier to travel inland. This is the cause of the increased settlement on South America's north and east coasts.
Several Native tribes now call the Amazon river home, and it has tremendous effect on South American civilization and fauna. Animals, oxygen, and natural resources are all supported by the Amazon rain forest.
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7) Use the list to determine the best answer.
Experience all four seasons
Cool to cold winters
Mild to hot summers
Most often referred to as continental or temperate climates
A) Low Latitudes
B) Mid Latitudes
C) High Latitudes
D) Tundra
The answer that experiences all of the aforementioned is Mid Latitudes.
How would you define "Mid Latitudes"?On a weather radar, mid-latitude cyclones have such a distinctive comma shape. In addition, compared to cyclones or tropical storms, mid-latitude cyclones frequently have substantially bigger sizes. A geographical area on Earth known as the middle latitudes is situated between the Tropics of Cancer and Capricorn, from the Arctic Circle to the Antarctic Line.
Between both the two tropics as well as the polar circles, they encompass the temperate and subtropical zones of Earth. the region of land between 35 to 65 degree north and south latitude also known as the temperate zone.
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in the northern hemisphere, ekman transport of surface ocean waters is about the surface wind direction. select one: a. 45 degrees to the left of b. 90 degrees to the left of c. 90 degrees to the right of d. 30 degrees to the right of
In the Northern Hemisphere, Ekman transport of surface ocean waters is about 90 degrees to the right of the surface wind direction. The correct answer is (c) 90 degrees to the right of.
This phenomenon occurs due to the combined effects of the wind and the Coriolis force, which causes moving objects to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. When wind blows over the ocean surface, it causes friction and drags the water in the direction of the wind.
However, because of the Coriolis force, this water gets deflected to the right (in the Northern Hemisphere) at an angle, and each successive layer of water beneath it also moves to the right but at a slightly reduced speed. This results in a net transport of water 90 degrees to the right of the wind direction.
Ekman transport plays an important role in ocean circulation and affects upwelling, downwelling, and the formation of ocean gyres. Upwelling occurs when Ekman transport moves surface waters away from the coast, allowing deeper, nutrient-rich waters to rise to the surface.
Downwelling occurs when Ekman transport pushes surface waters towards the coast, causing them to sink and be replaced by deeper water. These processes contribute to the overall circulation of the ocean and have significant impacts on marine ecosystems and climate. Therefore, The correct answer is (c) 90 degrees to the right of.
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What?
What was this posted for?
Lead arsenate was used for many years to control insects that ate crop plants. Apple trees, cotton plants, and potato plants
were all sprayed with the white powder. Over time, lead arsenate built up in the soil of treated fields.
What would be the most likely effect of lead arsenate in the soil?
Setting
The most likely effect of lead arsenate in the soil is that it can lead to soil contamination, which can have negative impacts on plant growth and human health.
What is lead ?Lead is a heavy metal that can accumulate in the soil over time, particularly in areas where it has been applied repeatedly, such as in fields treated with lead arsenate.
When lead is present in the soil, it can interfere with plant growth by disrupting the uptake of essential nutrients, such as calcium and magnesium. This can lead to stunted growth, reduced crop yields, and other negative impacts on plant health.
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which group of countries are contributing most to global climate change? developed countries developing countries both developed and developing countries
The group of countries contributing most to global climate change is both developed and developing countries.
The correct option is C.
Developed countries have been emitting large amounts of greenhouse gases into the atmosphere for many years due to their reliance on fossil fuels for energy production. Developing countries are also becoming increasingly responsible for their share of global emissions as their economies have grown and they have become more industrialized.
Together, these two groups of countries are responsible for over 70 percent of global greenhouse gas emissions. Developed countries are also responsible for a large share of global deforestation and land-use change, which are both major contributors to global climate change. As such, both developed and developing countries have a responsibility to take action to reduce their emissions and address the climate crisis.
The correct option is C.
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in general, what happens in terms of composition as crystallization proceeds down the bowen's reaction? explain how an intermediate rock can be formed from a granitic magma.
As crystallization proceeds down Bowen's reaction, the composition of magma typically changes from more mafic to more felsic.
According to the Bowen's reaction series, in general, minerals crystallize in a specific order as the magma cools, with the earlier minerals formed at higher temperatures being more mafic and the later minerals formed at lower temperatures being more felsic.
In order to create an intermediate rock from a granitic magma, one method is to add a mafic component. This may occur if the granitic magma is mixed with mafic magma, or if the granitic magma assimilates country rock that is mafic in composition.
As a result, the overall composition of the magma becomes less felsic and more intermediate. Crystallization may then proceed to generate a rock with an intermediate composition.
Another way to form an intermediate rock is to start with a more mafic magma that is cooling, and then to inject granitic magma into the chamber. This can alter the composition of the magma, leading to the formation of intermediate rocks.
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in the troposphere, temperatures generally decrease with altitude. occasionally, an area will experience the opposite, where temperatures increase with altitude. this situation is referred to as
Answer:
The Stratosphere temperatures increase whith altitude
In the troposphere, when temperatures increase with altitude instead of decreasing, this situation is referred to as a temperature inversion.
In the troposphere, temperatures generally decrease with altitude. Occasionally, an area will experience the opposite, where temperatures increase with altitude. This situation is referred to as a temperature inversion.What is a temperature inversion?A temperature inversion refers to a situation in which the temperature in the atmosphere increases with altitude, contrary to the normal drop in temperature with height as one moves away from the Earth's surface. Temperature inversions can occur in the troposphere, where the temperature generally decreases with altitude, but a temperature inversion arises when a layer of cool air becomes trapped beneath a layer of warm air. Inversions are most frequent during the winter months when the air near the Earth's surface is chilled. Thus, the answer to this question is a temperature inversion.
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(q021) clouds group of answer choices form when water condenses on pre-existing solid or liquid particles. at the earth's surface are called smog. may form when air warms at night. are regions of the atmosphere where more than 20% of the atmospheric moisture consists of water droplets or tiny ice crystals.
Clouds are formed when water vapor in the atmosphere condenses on pre-existing solid or liquid particles, such as dust, pollen, or pollution. This process occurs when air containing water vapor cools and can no longer hold the moisture.
The type of cloud that forms depends on the altitude, temperature, and humidity in the atmosphere. At the Earth's surface, a specific type of cloud called smog may form.
Smog is a combination of smoke and fog and is usually associated with air pollution from vehicle emissions, industrial processes, or burning fossil fuels. Smog can lead to poor visibility and reduced air quality, which may be harmful to both human health and the environment.
Clouds may also form when air warms at night, a phenomenon known as radiation fog. This happens when the ground cools, and the air temperature near the surface drops below its dew point. The moisture in the air then condenses into tiny water droplets, forming fog or low-level clouds.
Clouds are also defined as regions of the atmosphere where more than 20% of the atmospheric moisture consists of water droplets or tiny ice crystals. These areas can include different types of clouds, such as cumulus, stratus, or cirrus, depending on the temperature and altitude where they form.
In summary, clouds form when water condenses on particles in the atmosphere, and various factors influence their formation, including temperature, humidity, and altitude. Smog is a specific type of cloud formed at the Earth's surface due to air pollution.
Clouds may form when air warms at night, leading to radiation fog, and are considered regions with more than 20% atmospheric moisture content in the form of water droplets or ice crystals.
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what type of active geologic structures do earthquakes occur along? 2. what is the difference between an earthquake's focus and its epicenter? 3. each increase of 1 on the richter scale means an increase of times in the ground motion and about a times increase in the amount of energy released. 4. the amount of energy released from the focus of an earthquake is called its: a. intensity b. vulnerability
Earthquakes occur at active geologic structures, focus is origin and epicenter is above. Each 1 increase in Richter = 10x motion, 32x energy.
Earthquakes occur mainly along active geologic structures, such as fault lines and tectonic plate borders. These regions are subjected to enormous pressure and friction as tectonic plates move and clash, causing rocks to shift and shatter, resulting in an earthquake. The focus of an earthquake is the place beneath the Earth's surface where the seismic waves begin, and the epicentre is the point immediately above the focus on the surface.
The focus can be shallow or deep, and the sort of faulting that happens can affect the earthquake's intensity. The Richter scale is used to determine the magnitude of an earthquake, with each increment of 1 corresponding to a tenfold rise in ground motion and roughly 32 times the quantity of energy released. The energy released from an earthquake's centre is known as its magnitude. This is not the same as strength, which refers to the degree of trembling felt at a specific place during an earthquake.
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in which region of africa will you find countries whose natinal languages include french, spanish and portugese
Answer:
You will find countries whose national languages include French, Spanish, and Portuguese in the West African region. Specifically, these countries are former colonies of France, Spain, and Portugal, respectively, which explains why these languages are spoken there. Some examples of countries in this region include Senegal, Mali, Guinea, Ivory Coast, Burkina Faso, and Benin, which were colonized by France; Equatorial Guinea, which was colonized by Spain; and Cape Verde, Guinea-Bissau, Mozambique, Angola, and Sao Tome and Principe, which were colonized by Portugal.
the tide is sweeping across the ocean toward land. the continental shelf is significantly wider at one location than another farther down the coast. what will happen to the tide at the location where the shelf is wider?
When the tide sweeps across the ocean toward land, it encounters the continental shelf, which is the underwater extension of the continent. At the location where the continental shelf is wider, the tide will behave differently than at a location with a narrower shelf.
The width of the continental shelf has a direct impact on the behavior of tides as they approach the shore. A wider continental shelf causes the tidal energy to be dispersed over a larger area, which results in a decrease in the height and intensity of the tide. This is because the water's depth on a wide continental shelf is shallower, leading to more friction between the water and the ocean floor, causing the tidal energy to dissipate.
On the other hand, a narrower continental shelf allows the tidal energy to be more concentrated, leading to higher and stronger tides. This is because the water's depth on a narrow shelf is typically deeper, meaning there is less friction between the water and the ocean floor.
In conclusion, at the location where the continental shelf is wider, the tide will generally be lower and less intense as it approaches the shore. This is due to the greater amount of friction and energy dissipation that occurs over the larger area of the wider shelf.
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diffences between mixed cropping and mixed farming
SHORT ANSWER:
Mixed cropping involves growing different crops together,
while mixed farming involves combining crop production with animal husbandry.
LONG ANSWER:
Mixed cropping and mixed farming are two different agricultural practices with distinct differences:
1. Mixed cropping: It is a practice of growing two or more crops simultaneously in the same field. The crops are selected in a way that they complement each other in term of nutrient requirements, growth habits, and time of maturity. This practice is also known as intercropping. The main aim of mixed cropping is to maximize the use of available resources and increase productivity. Examples of mixed crops are maize an beans, wheat and peas, and sorghum and cowpeas.
2. Mixed farming: It is a practice of combining crop production with animal husbandry ir the same farm. The crops grown in mixed farming are used to feed the livestock, and the animal waste is used as manure to improve soil fertility. This practice aims at maximizing the use of available resources and diversifying income sources. Mixed farming includes activities like growing crops, raising animals, and processing and marketing of farm products. Examples of mixed farming are dairy farming, poultry farming, and sheep rearing.
Religion in East Africa is
A. Insignificant
B. Diverse
C. Neither A nor B
Answer:
B) Diverse
Explanation:
Their religious practices include Christianity, Islam, and traditional beliefs. Although Christianity and Islam do not oppose modern medicine, some fundamental Christians and Muslims lean on their faith when it comes to issues of health and wellness.
how are weather and climate related? how are weather and climate related? climate is the weather at a particular place and time. climate and weather are both produced by plate tectonics. weather is climate that can be measured.
Answer:
Explanation:
how are weather and climate related? how are weather and climate related? climate is the weather at a particular place and time. climate and weather are both produced by plate tectonics. weather is climate that can be measured.
Weather and climate are closely related, as they both describe the atmospheric conditions of a particular place. However, the main difference between the two is the time scale: weather refers to short-term changes in the atmosphere, while climate represents the long-term average of weather patterns.
Weather includes daily phenomena such as temperature, humidity, precipitation, and wind. It can change from day to day, or even within a single day. Weather is influenced by various factors, such as solar radiation, air pressure, and atmospheric circulation.
Climate, on the other hand, is a long-term average of weather conditions over a period of at least 30 years. It describes the typical patterns of temperature, precipitation, humidity, and wind in a specific region. Climate is influenced by factors such as latitude, altitude, and proximity to bodies of water.
Although tectonics plate do not directly produce weather and climate, they can affect climate by influencing the distribution of land and ocean, which in turn influences ocean currents and atmospheric circulation patterns.
In summary, weather and climate are related because they both describe the atmospheric conditions in a certain place. Weather refers to short-term changes, while climate is the long-term average of weather patterns. They are influenced by various factors, including solar radiation, air pressure, and the Earth's position relative to the Sun. Although plate tectonics do not directly produce weather and climate, they can impact climate by affecting the distribution of land and ocean.
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why is it so hard for a living tree to ignite, and how many conditions in the atmosphere influence this?
A living tree is difficult to ignite due to its high moisture content and several atmospheric conditions that influence this resistance. Moisture within a tree acts as a heat sink, absorbing energy and preventing combustion. As a living tree continuously takes up water from its roots, the cells remain hydrated and less prone to catching fire.
Atmospheric conditions play a significant role in a tree's flammability. These conditions include humidity, temperature, and wind. High humidity levels increase the moisture content in the air, which helps keep the tree's cells hydrated and less susceptible to ignition. Conversely, low humidity can cause a tree to lose moisture, making it more vulnerable to fire.
Temperature also impacts the flammability of a living tree. Higher temperatures increase the likelihood of ignition by providing more energy to initiate combustion. However, a living tree will still be more resistant to fire than dead or dry wood at the same temperature due to its moisture content.
Wind is another atmospheric factor influencing a tree's vulnerability to fire. Strong winds can spread fire quickly and reduce the moisture content of the tree by increasing evaporation rates. Calm wind conditions, on the other hand, are less likely to contribute to a tree's ignition.
In summary, a living tree is harder to ignite due to its high moisture content, and atmospheric conditions like humidity, temperature, and wind significantly influence this resistance.
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Calculate the longitude of a place where the local time is 6:00 AM, when the time is 3:00 PM on Kolkata 88 E.
Write one function of tentacles in hydra
Answer:
to stun animals like the water flea, Daphnia, before eating them alive, and to protect themselves from attack by other animals.
Explanation:
Hydra tentacles contain barbed, poison containing cnidocytes that they use to stun animals like the water flea, Daphnia, before eating them alive, and to protect themselves from attack by other animals.
what are some characteristics of glaciers and glacial areas? multiple select question. glacial areas do not get eroded by glacial ice. glaciers flow. glaciers form where snow and ice accumulate faster than they melt. glaciers may fracture, forming crevasses. glaciers usually are clear ice with very little sediment in them.
The characteristics of glaciers and glacial areas are B. glaciers flow, C. glaciers form where snow and ice accumulate faster than they melt, D. glaciers may fracture, forming crevasses, and E. glaciers usually are clear ice with very little sediment in them.
Some characteristics of glaciers and glacial areas include:
Glaciers flow: Glaciers are large masses of ice that flow under the influence of gravity. This movement is due to the weight of the ice and the pressure from the overlying ice layers. The flow of glaciers is a slow process that can range from a few centimeters to several meters per day.
Glaciers form where snow and ice accumulate faster than they melt: Glaciers form in regions where the rate of snowfall and ice accumulation is greater than the rate of melting and sublimation. This typically occurs in cold environments, such as high mountains and polar regions.
Glaciers may fracture, forming crevasses: As glaciers flow, the ice may crack and form deep fissures called crevasses. These fractures are a result of the stresses and strains within the glacier as it moves over uneven terrain. Crevasses can be extremely dangerous for those traversing glacial areas.
Glaciers usually are clear ice with very little sediment in them: Although glaciers may appear to be made of white ice, the ice in a glacier is typically very clear and pure. However, glaciers can pick up and transport sediment as they flow, leading to bands or layers of sediment within the ice. This sediment can become visible when the glacier melts, leaving behind deposits called moraines. Therefore, the correct option is B, C, D, and E.
The question was incomplete, Find the full content below:
what are some characteristics of glaciers and glacial areas? multiple select question.
A. glacial areas do not get eroded by glacial ice.
B. glaciers flow.
C. glaciers form where snow and ice accumulate faster than they melt.
D. glaciers may fracture, forming crevasses.
E. glaciers usually are clear ice with very little sediment in them.
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write a descriptive caption about the city of bamako
Answer: Bamako is the bustling capital and largest city of Mali, located on the Niger River. It is a major regional trade and conference center with an estimated population of over 2.81 million . The city has a large market, botanical and zoological gardens, an active artisan community, and several research institutes. It supports four colleges and houses the majority of Mali’s industrial enterprises
Explanation:
Which climate best characterizes the low latitudes?
a) Ice Cap
b) Humid Continental
c) Marine West Coast
d) Tropical Rain Forest
Answer:
d) Tropical Rain Forest
Explanation:
How is Australia’s participation in World War I reflected in Australian culture?
Responses
Anzac Day is a major holiday celebrated each year.
Anti-German sentiment is prevalent in Australian culture.
Anti-British sentiment is prevalent in Australian culture.
Australian people prefer an isolationist government.
which one of the following statements about the greenhouse effect, earth and venus is false? group of answer choices an extreme, possibly runaway greenhouse effect occurred on venus, making its planetary surface the hottest in the solar system. venus's atmosphere is much thicker than that of earth -- but some of earth's gases are trapped in rocks and oceans. if we dump much more carbon dioxide into earth's atmosphere, earth might become significantly hotter because of the greenhouse effect. the greenhouse effect occurs when an atmosphere is transparent to optical (visible) light but opaque to infrared light. no greenhouse effect currently occurs on earth, and this is a good thing for humans.
The false statement is: "No greenhouse effect currently occurs on Earth, and this is a good thing for humans."
This statement is false because the greenhouse effect does currently occur on Earth, and it is essential for life as we know it. The greenhouse effect is a natural process by which certain gases in the Earth's atmosphere, such as carbon dioxide and water vapor, trap heat from the sun and prevent it from escaping back into space. This process helps to keep the Earth's surface warm enough to support life.However, human activities, such as burning fossil fuels, have increased the concentration of greenhouse gases in the atmosphere, leading to an enhanced greenhouse effect and causing global warming. This can have negative consequences for human health, agriculture, and the environment.Therefore, it is not a good thing for humans if the greenhouse effect is too strong, as it can lead to harmful effects. It is important to manage the level of greenhouse gases in the atmosphere to ensure that the Earth's temperature remains within a safe range for life to thrive.for more such question on greenhouse
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What did the marsupial fossil found in Antarctica suggest about the continent’s geographic past?
Responses
Only mammals with pouches ever lived there.
Mammals cannot survive in the Antarctic climate.
It was once populated by warm-blooded mammals.
Kangaroos came from the Antarctic.
Answer:
It was once populated by warm-blooded mammals.
Explanation:
Given that BC is tangent to circle A and that BC =3 and AB=5, calculate the length of circle A.
To calculate the length of the radius of circle A, we need to use the fact that BC is tangent to circle A. Let O be the center of circle A, and let r be the length of the radius of circle A. Then we have:
BC ⊥ OA (since BC is tangent to circle A) BC = 3 AB = 5
We can use the Pythagorean theorem in triangle ABC to find the length of AC:
AC^2 = AB^2 - BC^2 AC^2 = 5^2 - 3^2 AC^2 = 16 AC = 4
Since OA is perpendicular to segment BC at point D, we can use the Pythagorean theorem in triangle AOD to solve for the radius r:
r^2 = OD^2 + AD^2 r^2 = (BC/2)^2 + AC^2 r^2 = (3/2)^2 + 4^2 r^2 = 2.25 + 16 r^2 = 18.25 r = sqrt(18.25) r ≈ 4.27
Therefore , the length of the radius of circle A is approximately 4.27 units.
when rocks are exposed to heat, they , which can contribute to thermal stress. when harmful gases, such as sulfur dioxide and nitrogen oxide, react with water in the atmosphere, they can produce the agent of erosion involved in stream erosion is when the ground is so saturated that it can't absorb rainfall or when rain falls so quickly that the ground can't absorb the water, forms. a/an is a huge, heavy, moving body of ice that picks up rocks and sand and erodes the ground beneath it as these materials scrape across it. hot arid climates are prone to erosion by . rows of trees and shrubs planted to protect fields from wind erosion are known as .
When rocks are exposed to heat, they expand which can contribute to thermal stress. When harmful gases, such as sulfur dioxide and nitrogen oxide, react with water in the atmosphere, they can produce acid rain which is the agent of erosion.
When harmful gases, such as sulfur dioxide and nitrogen oxide, react with water in the atmosphere, they can produce acid rain, which is the agent of erosion.
The erosion involved in stream erosion is caused by the flowing water of a stream or river, which erodes the ground and carries sediment downstream.
When the ground is so saturated that it can't absorb rainfall or when rain falls so quickly that the ground can't absorb the water, it leads to surface runoff.
The erosion involved in stream erosion occurs when the ground is so saturated that it cannot absorb rainfall or when rain falls so quickly that the ground can't absorb the water. A glacier is a huge, heavy, moving body of ice that picks up rocks and sand and erodes the ground beneath it as these materials scrape across it.
Hot arid climates are prone to erosion by wind. Rows of trees and shrubs planted to protect fields from wind erosion are known as shelterbelts.
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the lattices or configurations of archaeological sites in the desert of iraq were distorted from ideal geometrical forms due to what factors?
The distortion of lattices or configurations of archaeological resources in the desert of Iraq from ideal geometrical forms can be attributed to several factors: Natural processes, Human activity, Tectonic activity, Original construction, Differential preservation.
1. Natural processes: Over time, weathering, erosion, and sediment deposition can alter the landscape, causing changes to the original configurations of archaeological sites. Sandstorms and wind erosion, for example, are common in desert environments and can lead to the shifting or covering of archaeological features.
2. Human activity: Throughout history, human settlement, construction, and agricultural practices have impacted archaeological sites. The building of structures, roads, and irrigation systems can modify or destroy the original layout of sites. Additionally, looting and illicit excavation can lead to the removal or disturbance of archaeological materials, further distorting site configurations.
3. Tectonic activity: The region of Iraq is situated in a tectonically active area, with the presence of several fault lines. Earthquakes and other tectonic events can cause ground deformation, altering the positions and alignments of archaeological features.
4. Original construction: The ideal geometrical forms we may expect from archaeological sites might not have been present in the original construction. Cultural practices, technological limitations, or available resources could have led to variations in layout and design.
5. Differential preservation: Archaeological sites can be affected differently by various factors, such as exposure to the elements, proximity to water sources, or the types of materials used in construction. This differential preservation can result in an uneven representation of the original configuration.
In conclusion, a combination of natural processes, human activity, tectonic activity, original construction, and differential preservation contribute to the distortion of lattices or configurations of archaeological sites in the desert of Iraq from ideal geometrical forms.
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In the 1640s, the Iroquois Confederacy, a group of tribes from the east coast area (today's New York), began a series of wars in the Great Lakes region. What was the MAIN reason for these wars?
Ill make you the brainlist.
The main reason for the Iroquois wars in the Great Lakes region in the 1640s was to control the fur trade with European colonizers. The Iroquois, who were skilled hunters and traders, sought to gain dominance over the lucrative fur trade by controlling the territory and resources of rival tribes in the region. Additionally, some historians suggest that the wars were also fought for territorial expansion and to establish Iroquois dominance over the Great Lakes region.
1. which location should have the smallest temperature range? a. location 1 in california b. location 2 in kansas c. location 3 in virginia d. all locations will have the same temperature
The location that should have the smallest temperature range is d. all locations will have the same temperature.
It is difficult to determine the location with the smallest temperature range without more information about the locations. However, in general, coastal locations tend to have smaller temperature ranges compared to inland locations, because water bodies have higher heat capacity and can absorb and release heat more slowly than land.
Temperature range is determined by the difference between the highest and lowest temperature at a given location. If all three locations have the same highest and lowest temperature, then their temperature range would be the same, making option d the correct answer.
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which type of stream channel is void of water for a majority of the year and only flows after a precipitation or snow-melt event?
a. perennial flow
b. ephemeral flow c. intermittent flow d. diurnal flow
(b) ephemeral flow is the right answer.
A form of stream channel known as an ephemeral flow only runs after a precipitation or snowmelt event and is normally dry or devoid of water for the majority of the year.
The flow of this kind of stream channel is typically transient and dependent on outside variables like precipitation or snowmelt. Ephemeral streams are found in arid or semi-arid environments when precipitation is sporadic and water is sparse.
By providing water for plants and animals during their brief periods of flow, these streams contribute significantly to the ecology. They are nonetheless sensitive to human activities that might harm the stream ecosystem and its flow regime, such as land use changes, water withdrawals, and climate change.
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The type of stream channel that is void of water for a majority of the year and only flows after a precipitation or snow-melt event is ephemeral flow. (B)
Ephemeral flow refers to streams or channels that carry water only during and immediately after a precipitation or snow-melt event. These streams typically do not have a well-defined channel and are often found in arid regions where there is limited rainfall. (B)
Unlike perennial flows, which have a continuous flow of water throughout the year, and intermittent flows, which have periodic flows of water, ephemeral flows are characterized by their sporadic and short-lived presence of water.
Diurnal flow, on the other hand, refers to streams that experience daily fluctuations in water levels.
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Which best describes the relationship between penguins and skuas in Antarctica?
Responses
Skuas eat poisonous fauna that would otherwise kill penguins.
Skuas are predators that steal penguin eggs and their young.
Penguins and skuas live together and share food sources. .
Penguins are the only seabirds that will kill and eat skuas.
The best description of the relationship between penguins and skuas in Antarctica is that skuas are predators that steal penguin eggs and their young.
Skuas are known to prey on penguin chicks and eggs, which can have a significant impact on penguin populations. While skuas do scavenge on occasion, they are primarily predatory towards penguins and their offspring. Penguins, on the other hand, do not typically prey on skuas
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