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Shifting cultivation is best described as
A. growing cash crops instead of crops for one's own use
B. abandoning land as soon as the soil begins to degrade
C. changing crops from year to year based on demand
D. choosing which crops to grow based on climate zone
Please select the best answer from the choices provided.
OA
B
OC
OD
Shifting cultivation, also known as slash-and-burn agriculture or swidden agriculture, is best described as the practice of abandoning land as soon as the soil begins to degrade. Option B is the correct answer.
Shifting cultivation is a traditional farming system that has been practiced by indigenous communities in various parts of the world. It involves clearing a patch of land by cutting down vegetation and burning it, which releases nutrients into the soil. The cleared land is then used for cultivating crops for a limited period, typically a few years. After the soil fertility declines, the land is left fallow and the cultivation is shifted to a new plot of land.
The main idea behind shifting cultivation is to allow the land to regenerate its fertility naturally during the fallow period. By abandoning the degraded land and moving to a new plot, farmers give the soil time to recover and restore its nutrient content. This cycle of shifting cultivation helps to maintain a balance between agricultural production and ecological sustainability in traditional farming systems.
The choice to abandon the land is based on the understanding that continuous cultivation on the same plot would lead to declining yields and soil degradation over time. Shifting cultivation is often practiced in areas with nutrient-poor soils or dense forests where clearing land for long-term agriculture is challenging. It allows farmers to make efficient use of available resources while minimizing the negative impacts on the environment.
In conclusion, shifting cultivation involves the practice of abandoning land as soon as the soil begins to degrade, allowing for natural regeneration and sustainability in agricultural practices.
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Observe the image below, and interpret where boundaries are located between regions that have different geologic characteristics. Your Chapter 19 Investigation shows photographs for each region, which may help you decide what features each region.
We can see here that the image below shows a planet with different geologic characteristics. The boundaries between regions with different geologic characteristics can be interpreted by looking at the following factors:
The type of rockThe age of the rockThe structure of the rockWhat is geologic characteristic?Geologic characteristics refer to the distinctive features and attributes of the Earth's geological formations, processes, and materials.
Based on these factors, the following boundaries can be interpreted in the image:
The boundary between the Western Terrain and the Eastern Terrain. The Western Terrain is made up of old, weathered sedimentary rocks, while the Eastern Terrain is made up of younger, less weathered igneous rocks. This boundary is likely the result of a tectonic event that caused the Western Terrain to be uplifted and eroded.The boundary between the Dark Terrain and the Chasm: The Dark Terrain is made up of mafic igneous rocks, which are dark in color. The Chasm is a large valley that is filled with sediments. This boundary is likely the result of a fault that caused the Dark Terrain to be uplifted and eroded, creating the Chasm.The boundary between the Polar Ice and the Sedimentary Terrain: The Polar Ice is made up of ice and snow, while the Sedimentary Terrain is made up of sedimentary rocks. This boundary is likely the result of a change in climate that caused the ice to expand and cover the Sedimentary Terrain.Learn more about geologic characteristic on https://brainly.com/question/29797087
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Explain the meaning of acid rain ?
Precautions that need to or have been implemented to reduce the impact of tropical cyclone Eloise
communities can enhance their resilience to tropical cyclones like Eloise and reduce the potential impact on lives, livelihoods, and infrastructure. These measures require a combination of early warning systems, infrastructure preparedness, community engagement, and effective coordination among stakeholders to ensure a comprehensive and timely response to cyclonic events.
1. Early warning systems: Government agencies and meteorological departments issue timely and accurate warnings about the approaching cyclone, providing information on its predicted path, intensity, and potential impact. This allows people in the affected areas to take necessary precautions and evacuate if required.
2. Evacuation plans and shelters: Local authorities establish evacuation plans and designate shelters in safer locations to accommodate residents who are at risk of being directly affected by the cyclone. These shelters are equipped with emergency supplies and facilities to ensure the safety and well-being of evacuees.
3. Infrastructure preparedness: Infrastructure such as buildings, roads, and bridges are constructed or retrofitted to withstand high winds and heavy rainfall associated with tropical cyclones. This includes reinforcing structures, clearing drainage systems, and ensuring proper maintenance to minimize damage and ensure the continuity of essential services.
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what is secondary economic activity in geography
Answer:by adding raw materials-
Explanation:
add value to the raw materials by changing their form, or combining them into useful and hence more valuable commodity.
A quadratic function and an exponential function are graphed below. How do the decay rates of the functions compare
over the interval-2≤x≤0?
5+
4
The exponential function decays at one-half the rate of the quadratic function.
The exponential function decays at the same rate as the quadratic function.
The exponential function decays at two-thirds the rate of the quadratic function.
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Comparing the behaviors of both functions, we can conclude that the exponential function decays at the same rate as the quadratic function over the interval -2 ≤ x ≤ 0.
To compare the decay rates of the quadratic function and the exponential function over the interval -2 ≤ x ≤ 0, we need to analyze the behavior of each function within that range. A quadratic function is represented by an equation in the form of f(x) = [tex]ax^2[/tex] + bx + c, where a, b, and c = constants.
The graph of a quadratic function is a parabola. If the coefficient 'a' is positive, the parabola opens upwards, and if 'a' is negative, the parabola opens downwards. On the other hand, an exponential function is represented by an equation in the form of f(x) = a * [tex]b^x[/tex], where 'a' and 'b' are constants, and 'b' is the base of the exponential function.
The graph of an exponential function is a curve that either increases or decreases exponentially, depending on the value of 'b'. To compare the decay rates of the two functions, we need to examine their behavior over the given interval. If the exponential function is decaying at a slower rate than the quadratic function, it means its values are decreasing at a lesser rate.
In the case of the quadratic function, if 'a' is negative, the parabola opens downwards, and its values decrease as x increases. Therefore, the quadratic function is decaying in this interval. For the exponential function, since it is not explicitly stated whether it is increasing or decreasing, we can assume that it is decreasing if 'b' is between 0 and 1. In that case, as x increases, the exponential function decays.
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John loves to sleep late in the morning. He also knows that school is important. This morning, John chose
to wake up and get to school on time. In doing this, he gave up the opportunity to sleep in. The opportunity cost
of John's choice to go to school is two or three hours of sleep.
Ana loves to go camping with her family and is looking forward to their trip next weekend. Ana learns that her
good friend is having a sleepover birthday party the same Saturday as the trip.
For Ana, what would be the opportunity cost of going to her friend's party? Why?
Answer:
Explanation:
The opportunity cost for Ana of going to her friend's party would be missing out on the camping trip with her family. In this scenario, Ana has to make a choice between attending her friend's party or going on the camping trip. By choosing to attend the party, Ana gives up the opportunity to spend time with her family and enjoy the camping experience. The camping trip, with its potential for family bonding and outdoor activities, represents the alternative option that Ana sacrifices when she decides to attend the party. Therefore, the opportunity cost for Ana is the enjoyment and experience she would have gained from the camping trip.