Can a person be exposed to hiv by hugging or shaking hands with an infected person? a. yes, because the virus can be transmitted through sweat b. no, because none of the bodily fluids that carry the virus are on the surface of the skin c. no, not if the skin is completely covered d. yes, so you can't ever be too safe please select the best answer from the choices provided. a b c d

Answers

Answer 1

Answer: b

Explanation: b best fits how the transmission of hiv works


Related Questions

Which of these is the most likely consequence of rising petroleum prices?



A. Increased interest in public transportation



B. Falling transportation costs



C. Lower gasoline prices



D. Less demand for electric cars

Answers

Answer: Increased interest in public transportation

Explanation: got it right

Due to public transportation, more vehicles need more petroleum, leading to an increase in petroleum prices, hence option a is correct.

How are petroleum prices rising?

Petroleum prices are likely to have risen as a result of both increased demand and worries about supply interruptions. Global demand for oil has been rising, exceeding any increases in supply and surplus capacity.

One major reason is that developing countries, particularly China and India, have been quickly rising. These economies have grown more industrialized and urbanized, contributing to an increase in global demand for oil.

This is because transportation costs will rise, raising the prices of numerous commodities. This is cost-push inflation, as opposed to inflation produced by increased aggregate demand excess growth.

Therefore increased interest in public transportation, leads to rising petroleum prices, hence option a is correct.

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In the living adult human, the esophagus is about ______ centimeters long, andmost of its length is within the thorax, directly anterior to the ______.

Answers

In the living adult human, the esophagus is about 25 centimeters long, and most of its length is within the thorax, directly anterior to the vertebral bodies.

What is the esophagus?

The esophagus is a like-tubular structure of the digestive system that serves to transport foods during digestion.

The esophagus is composed of muscular walls that link the pharynx structure with the stomach in the digestive system.

Moreover, the vertebral bodies are thick segment  (bone) structures of the skeletal system.

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How do matters differ and what explains that differences?​

Answers

MATTERS

What is matter?

~ Matter is something which all physical objects are believed to be made of -- it is a material substance that occupies space, possesses mass, and is made up mostly of atoms (basic unit of matter) which consists protons, neutrons, and electrons, that constitutes the observable universe.

The states of matter

~ State of matter is the distinction or the difference in forms of matter we can observe in our daily life. The 5 states of matter thus far are; solid, liquid, gas, plasma, and bose-einstein condensate.

Differences

Matters differ in characteristics, appearance and compositions. Written here are the basic differences in 3 most fundamental states of matter.

Solid - a matter which composed of rigid and closely packed particles -- particles move only via vibrations. Has definite shape and definite volume.

Liquid - particles can move back and forth, not too tightly packed -- has definite volume but with no definite shape.

Gas - the particles in gas are relatively far apart compared to solid and liquid, they're moving fast back and forth/side to side, and bouncing nonstop. Gas neither have definite shape nor volume, and is way compressible than solid and liquid.

Glucose is converted to ethyl alcohol and carbon dioxide in _____.


A.Krebs cycle
B. Glycolysis
C.Aerobic respiration
D. Alcoholic fermentation

Answers

Answer:

D. Alcoholic fermentation

Explanation:

^

What causes the red pigment to escape from beetroot cells and why does this happen?

Answers

Answer:

These pigments are a useful indicator of membrane fluidity as they are typically contained within the vacuole of intact beetroot cells. An increase in membrane fluidity will cause the pigment to leak out of the cell, and the amount of pigment can be measured simply by using a colorimeter.

While two pieces of fabric may have the same
investigators may be able to find differences in their
color, spectral patterns
luminosity, molecules
transparency, weave
chemical composition, shape

Answers

Answer:

I think the answer is luminosity, molecules

Explanation:

They may have the same luminosity but there molecules ar diffrent.

Answer:

Its color, spectral patterns

Explanation:

i got it right on the quiz

this is in my economics class.

What is most similar to a brand-name product?
a) an inferior good
b) a normal good
c) a substitute brand
d) a generic product

Answers

Generic product is similar to a brand name product.

What is a brand name?

A brand name is the name a manufacturer give to his product to mark it's uniqueness and it's ownership by the manufacturer.

Brand name can carry some distinct fractures, symbols about the products. It give a unique identity to such product.

Therefore, Generic product is similar to a brand name product.

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Give examples of Biotic and abiotic factors that affect tree growth in Kuwait

Answers

Answer:

Biotic -- Insects, Weeds, fungi, bacteria, etc

Abiotic -- Sunlight, water, CO2 levels, Salinity, Pressure, etc

Explanation:

Plant development and crop output can be significantly impacted by both biotic (such as weeds, insects, fungi, and bacteria) and abiotic (such as sunshine, temperature, rain, humidity, drought, salinity, air, soil, pollution, magnetic fields, etc.) variables.

What effect of biotic and Abiotic factor in plant growth?

Temperature and moisture have a significant impact on the amount of organic matter that is available for use as food and plant production (primary productivity) (net primary productivity).

To support life, development, and reproduction, trees require sufficient amounts of water, heat, light, nutrients, carbon dioxide, oxygen, and other abiotic resources.

Therefore, Biotic and abiotic factors that affect tree growth in Kuwait.

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Which body organs has the muscles which never fatigue ?​

Answers

Answer:

the heart...I has the cardiac muscle which never gets tired

Which chemical is necessary for a cell to go through aerobic respiration instead of anaerobic respiration?
A carbon dioxide
B glucose
C oxygen
D water

Answers

Answer:

oxygen

Explanation:

A restriction enzyme that uses a six (6) base recognition sequence will cut DNA, on average, every ________ bases, if all four nucleotides are present in equal proportions.

Answers

A restriction enzyme that uses 6 bases will cut DNA on average every 4096 bases if all four nucleotides are present in equal proportions.

What is a restriction enzyme?

A restriction enzyme is a specific enzyme that cut the nucleotide sequences (either DNA or RNA) in a specific sequence.

The restriction enzymes are very useful to cut DNA in molecular biology laboratories (recombinant DNA technologies).

In conclusion, a restriction enzyme that uses a 6 bases will cut DNA on average every 4096 bases, if all four nucleotides are present in equal proportions.

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Which body of water is home to the esno cycle?

Answers

Answer:

The El Niño-Southern Oscillation (ENSO) is a recurring climate pattern involving changes in the temperature of waters in the central and eastern tropical Pacific Ocean.

Answer:

Central and Eastern tropical Pacific Ocean

The external ear is composed primarily of the __________ and the external acoustic meatus.

Answers

Answer:

The external ear is composed primarily of the auricle and the external acoustic meatus.

Explanation:

Give 2 facts about how organism responds to the environment. What can they do and how​

Answers

Answer: there are some organisms that effect the environment negatively and sometimes positively

Explanation: such has harmful bacteria

What are the most common forms of genetic differences in the human genome?.

Answers

Answer:

single nucleotide polymorphisms are the most abundant type of genetic variation in the human genome in terms of thieir number

is a coral reef living?

Answers

Yes they are living animals to.

What is the difference between antibody immunity and cellular immunity?
a) antibody immunity uses B cells; cellular immunity uses different types of both B and T cells
b) antibody immunity uses both B and T cells; cellular immunity doesn't use any type of cell
c) antibody immunity doesn't use any cells; cellular immunity uses different types of T cells
d) antibody immunity uses B and T-helper cells; cellular immunity uses different types of T cells
e) antibody immunity uses T cells; cellular immunity uses different types of B cells

Answers

Answer:

D) antibody immunity uses B and T-helper cells; cellular immunity uses different types of T cells

Compare directional selection and disruptive selection.

Answers

Answer:

Directional selection vs Disruptive Selection

Explanation:

Directional selection leans to a phenotype that is more fittest to the environment of a species, directional selection favors a phenotype extreme values for a trait over medium ones

Which of the following is the path of a nerve impulse through a neuron? A. Terminal branches - axon - cell body - dendrite B. Dendrite - cell body - axon - terminal branches C. Cell body - dendrite - terminal branches - axon D. Axon - cell body - dendrite - terminal branches

Answers

Answer:

B. Dendrite - cell body - axon - terminal branches

is correct

Answer:

b

Explanation:

Which of the following would you expect to see in a positive feedback system?
1. a reduction in output
2. a magnification of output
3. a stabilization of output
4. a movement toward equilibrium

Answers

Answer: a magnification of output

Explanation: positive feed back means that you should be able to do the same amount of work but have a greater output

The scale used to define sound intensities is called the____
scale.
Answer here

Answers

The scale is called "the decibel scale".

In bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as:

Answers

In bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as mitosis.

To answer the question, we need to know what cell division is

What is cell division?

This is the process in which parent cells divide into two or more daughter cells.

There are two types of cell division namely

Mitosis and MeiosisMitosis

Mitosis is the process in which non-reproductive (somatic) parent cells divide into two daughter cells that have the same number of chromosomes as the parent cell.

Meiosis

Meiosis is the process in which reproductive parent cells divide into four daughter cells with half the chromosoes of the parent cells.

From this, we see that cell division in which the cell divides into two nearly equal halves is refered to as mitosis.

So, in bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as mitosis.

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Quickly I need help with this

Answers

Answer:

you are right though?

what do you need?

Explanation:

What is a target cell?

Answers

Answer:

a cell which bears receptors for a hormone, drug, or other signaling molecule

Explanation:

Answer:

Look I have got negative points on the brainly app

Explanation:

Codocyte

Description

Codocytes, also known as target cells, are red blood cells that have the appearance of a shooting target with a bullseye. In optical microscopy these cells appear to have a dark center surrounded by a white ring, followed by dark outer second ring containing a band of hemoglobin

match each description with the appropiate item.
A. Deforestation
B. Paper, lumber and head for homes
C. Renewable resource
D. Human population growth
____ 1. Something that can be used repeatedly because it can be replaced
____ 2. A reason deforestation is a larger problem today
____ 3. Ways we use trees
____ 4. Clearing a forest and replacing it with non forest uses

Answers

Answer:

C

D

B

A

Here are the answers hope it's good

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The ion that triggers the release of acetylcholine into the synaptic cleft is.

Answers

Answer:

calcium influx

Explanation:The calcium influx triggers synaptic vesicles, which package neurotransmitters, to bind to the presynaptic membrane and to release acetylcholine into the synaptic cleft by exocytosis.

The data shows the changes in temperature and the concentration of carbon dioxide (CO2) in Earth’s atmosphere during the past eight hundred thousand years.Which statement describes the overall relationship between the concentration of carbon dioxide and atmospheric temperature?
A The temperature of Earth increases with a decrease in atmospheric carbon dioxide.
b The temperature of Earth increases with an increase in atmospheric carbon dioxide.
c The temperature of Earth remains unchanged with an increase in atmospheric carbon dioxide.
d The temperature of Earth remains unchanged with a decrease in atmospheric carbon dioxide.

Answers

The statement 'the temperature increases with an increase in atmospheric carbon dioxide' describes the relationship between carbon dioxide and temperature.

What is global warming?

Global warming is a climate phenomenon by which the temperature is increasing due to the release of greenhouse gases.

These greenhouse gases are mostly generated by human activities (e.g., industrial activities).

It has been shown that an increase in the emission of greenhouse gases is associated with global warming.

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The most abundant formed elements of the blood are:.

Answers

Answer:
Red blood cells (RBC)

Human embryos have tails, which become tail bones before birth. Tails also appear in fish, reptiles, amphibians, birds, and mammals. Humans also have hair and produce milk to nourish the young, which is unique to mammals. What does this indicate

Answers

Answer: the answers are 1. They are vestigial structures that once performed... 2. imprints of leaves or footprints... 3. homo erectus... 4. the early stages of embryo... 5. a close evolutionary connection between humans and many other mammals

Explanation: 100% correct as of april 2022

Human embryo have many characters that disappear during their growth. Tail bone is vestigial in humans, they have hair and produce milk indicates that these are mammal.

What is mammal?

Mammals are the animals that have some unique feature like giving birth to young once, have mammary gland, having body hair, etc.

The appearance of tail in mammals just like fish, amphibians shows evolution.

Humans have hair and mammary gland which produce milk to nourish the young means they belongs to mammals.

Thus, all these characteristics shows the evidences of evolution.

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Which social indicator takes information such as literacy, or the ability to read and write a simple sentence, into account?
A. Education
B. Settlement
C. Health

Answers

A. Education because you need to be literate in order to do all of those things. The rest do not necessarily or entirely help you with being able to read or write a simple sentence
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Predict what will happen in Part 2 of the Hunger Games novel Your prediction should:be 5 complete sentences long. include the main characters of the story so far.use correct spelling and grammar. match the correct term for each definition below.______ changes in an organisms structure ______ changes in an bodys internal response to environmental changes______ changes in organism behavior a. Evolution b. Artificial selectionc. Natural selection d. Structural adaptation e. Behavioral adaptationf. Physiological adaptation Based on the information above ,what percent of students type less than 30 words per minute? hurry i need help What leadership role do you aspire to in 20 years and what steps will you take to get there?. As a young child, I remember listening to stories about Angelo Pagano, my great-grandfather who emigrated from Italy to the United States in the early 1900s. I had always envisioned him traveling on a ship like the Titanic, sailing across the Atlantic in a luxury liner to his new home in America. Those fanciful images faded one warm autumn day when, as I was cleaning out the attic, I uncovered a collection of old letters tied together with a worn green ribbon. The paper was yellow and dry and started to crumble as I touched it. As I carefully untied the ribbon and unfolded the top letter, I realized the writing was Italian. My knowledge of the language is limited to spaghetti and espresso, but from the greeting at the beginning of the letter and the signature at the end, I could tell that the letter was written by my great-grandfather to Sofia, his beloved wife and my great-grandmother. Immediately, I decided to have the letters translated into English so that I could learn more about Angelo and the rest of my family.What is the cultural context of this passage?A. The reading takes place in the twentieth century. The narrator is an Italian grandmother who wrote letters to her grandchildren about her experience immigrating to America.B. The reading takes place in modern times. The narrator is the great-grandchild of a man who moved from Italy to America in the 1900s.C. The reading takes place in modern times. The narrator can speak English and Italian and translates letters for people who are interested in their genealogy.D. The reading takes place in the 1900s. The narrator is an Italian man who perished on the Titanic. Gasoline and propane fumes accumulate in what part of the boat. 2. Why might people in India perceive rain and clouds differently from people in the West? Ekman transport away from the coast generates __________. a. coastal upwelling b. coastal downwelling c. neither upwelling nor downwelling HELP PLEASE!!! I WILL GIVE 25 POINTSWhat is the slope of the line. The soccer coach bought 3 new soccer balls. The total cost of the balls was $21. 28. The coach used a $20 bill and a $10 bill to pay for the balls. Which is not a combination of coins and bills that can be used to make the change that the coach should receive? ----------------------------------------------------------------------------------------------------------------------------A. One $5 bill, one $2 bill, one $1 bill, four dimes, two pennies B. One $5 bill, three $1 bills, two quarters, two dimes, two pennies C. Eight $1 bills, seven dimes, two pennies D. Four $2 bills, a half-dollar, four nickels, two pennies Listed below are the step equations for the reaction in which sulfur dioxide (SO2) and hydrogen disulfide (H2S) react to produce sulfur and water. Write the balanced target equation and use Hesss law to calculate the H of this reaction. SO2 (g) S (s) + O2 (g) H = +300.1 kJH2 (g) + S (s) H2S (g) H = 19.5 kJH2 (g) + O2 (g) H2O (g) H = 290.1 kJ Determine the volume of 0.107 M NaOH required to reach halfway to the stoichiometric point of the titration. pls help me brainly wont show me the right results have drum lessons onChoose 1 answer:a) Tuesdays'b) Tuesday'sc) Tuesdays The location where the x- and y-axes intersect is known as the ____________.A. coordinate planeB. originC. ordered pairD. quadrant Select ALL the correct answers.Which three foreign policy decisions did Donald Trump make that modified foreign policy positions of Bill Clinton and Barack Obama?imposing billions in tariffs on imports from China, which Barack Obama supportedwithdrawing from the Paris Climate Agreement, which Barack Obama negotiatedentering trade negotiations with North Korea, which Bill Clinton initiatedwithdrawing from the Trans-Pacific Partnership, which Barack Obama favoredrenegotiating NAFTA, which was signed into law by Bill Clinton If the pressure is low enough, the boiling point and the melting point of water can be equal. What is this point called? Do you think this point can exist for substances other than water? Explain your reasoning. Increase 200 by 12.5% The vertex -x^2 - 2x + 8 An exponential function has an initial value of 500 and a decay rate of 15%. Compare the average rate of change for the interval 0