The air we breathe is mostly a mixture of oxygen and nitrogen. How do air molecules change when they reach altitudes above 100 km?



I need to make sure the answer I have is right.

Answers

Answer 1

As you increase in altitude, there are fewer air molecules. Due to the lower amounts of air molecules, the atmospheric pressure decreases causing the air to be harder to breath in.


Related Questions

What are two ways in which the geosphere is interacting with the hydrosphere in this river? ​

Answers

erosion and weathering

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what is the difference between a virus and a worm?

Answers

Answer:

The primary difference between a virus and a worm is that viruses must be triggered by the activation of their host; whereas worms are stand-alone malicious programs that can self-replicate and propagate independently as soon as they have breached the system.

Explanation:

Why are nucleic acids essential for life

Answers

Answer:

Nucleic acids are the most important macromolecules for the continuity of life. They carry the genetic blueprint of a cell and carry instructions for the functioning of the cell.

Postganglionic sympathetic axons are carried from the sympathetic trunk to all spinal nerves through ______.

Answers

Answer:

gray rami communicantes

Explanation:

Postganglionic sympathetic axons are carried from the sympathetic trunk to all spinal nerves through gray rami communicantes. The sympathetic nervous system is almost connected to all parts of the body.

What is the nervous system?

The nervous system is made up of neurons that are connected to each other and send the message for action to different parts of the body. The whole nervous system of the body is divided into three parts: the central nervous system, the peripheral nervous system, and the autonomic nervous system.

The central nervous system is composed of the brain and spinal cord, while the autonomic nervous system is composed of the sympathetic and parasympathetic nervous systems. The peripheral nervous system includes the nerves of the brain and spinal cord that are derived from these two organs. The sympathetic nervous system activates the majority of the organs in times of danger, whereas the parasympathetic nervous system is associated with rest.

Hence, Postganglionic sympathetic axons are carried from the sympathetic trunk to all spinal nerves through gray rami communicantes. 

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The Mauna Loa Observatory in Hawaii has been collecting data about the
atmosphere and climate since the 1950s. The graph below shows some of
their findings. What conclusions can you draw by studying the above the graph?


options:

climate change is a natural process

all climate change is caused by humans

the levels of carbon dioxide in the atmosphere have been increasing since the 1960s

the levels of carbon dioxide in the atmosphere have been decreasing since the 1960s

Answers

Answer:

These search terms appear in the result: mauna, loa, observatory, hawaii, has, been, collecting, data, atmosphere, climate, since, 1950s, graph, shows, some, their, findings, conclusions, can, you, and draw

In ferns, the sporophyte produces
A. cones, which grow into a gametophyte.
B. gametes, which grow into a gametophyte.
C. spores, which grow into a gametophyte.
D. seeds, which grow into a gametophyte.

Answers

The answer is C hope it helps :)

A group of scientists are observing a new found cell. They want to classify it as either a prokaryotic cell or a eukaryotic cell. If you were one of the scientists, what would be your basis for classification?​

Answers

The question can be solved by using the difference between eukaryotic and prokaryotic cell.Prokaryotic cell does not have a well defined nucleus. The nuclear material lies naked in the cytoplasm. It is known as nucleoid. While, eukaryotic cell has a well defined nucleus with a nuclear membrane.Prokaryotic cell has a single chromosome while eukaryotic cell has more than one chromosome.Finally, prokaryotic cell do not have membrane-bound cell organelles while eukaryotic cell have membrane-bound cell organelles.

Hope you could get an idea from here.

Doubt clarification - use comment section.

In the rain forest, the thick foliage allows limited sunlight to filter through to the forest floor. Which wild cat species is best adapted to living in the rain forest?

Answers

Answer

D)Ocelot because they are medium sized cats that live in rain forests and grasslands.Ocelots appear to be better adapted to habitat disturbance and can live in disturbed forests. However, they can be found in a variety of habitats in Belize, from dry scrub to the dense forests.

Cytokinesis begins with the appearance of a

Answers

Answer:

Cleavage furrow

Explanation:

Why is the ability to perform photosynthesis an advantage to a Spotted Salamander

Answers

Answer:

the embryos release waste material, which the algae feed on. In turn the algae photosynthesis and release oxygen, which the embryos take in

Explanation:

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What are some ways that the biosphere interacts with the other three systems?

Answers

Answer:

Plants (biosphere) draw water (hydrosphere) and nutrients from the soil (geosphere) and release water vapor into the atmosphere. Humans (biosphere) use farm machinery (manufactured from geosphere materials) to plow the fields, and the atmosphere brings precipitation (hydrosphere) to water the plants.

Explanation:

Answer :Full Answer. A classic example of an interaction between spheres is when a plant (part of the biosphere), takes carbon dioxide from the atmosphere and water (the hydrosphere) through its roots from underground (geosphere) to perform photosynthesis, which provides the plant with food and releases oxygen into the atmosphere.

Explanation:pls give me a branlist

What products does farmers sell to the distributor?

Answers

Answer:

milk

Explanation:

milk can makes you rich

What is something your body does that keeps it from extreme changes?

Answers

Answer:

A Rush expert discusses what can happen when your body temperature goes awry, from heatstroke to hot flashes to fever.

Explanation:

hope it helps

Are you for or against dna fingerprinting? Explain why

Answers

Answer:

For fingerprinting

Explanation:

In my opinion, I am for fingerprinting for DNA. Because if someone did a crime and left their fingerprint using DNA fingerprinting you will be able to figure out who did the crime. Which is very helpful in finding the criminal.

Again this is just my opinion. Note opinions may vary :)

As well as carbohydrates, what is wholemeal bread a good source of?

Answers

Answer:

Proteins

Explanation:

Wholemeal bread is a rich source of carbohydrates and protein along with unsaturated fats, vitamins and minerals. Hope this helps.

which of the following is a property of water?

a. polar molecule
b. regulates temperature
c. universal solvent
d. all of the above

Answers

Answer:

All of the above

Explanation:

The main properties of water are its polarity, cohesion, adhesion, surface tension, high specific heat, and evaporative cooling, which essentially categorizes all of the above.

Answer: All of the above

- What is it? OR What are signs/symptoms of the defect (in other words, how do I know I have it?)?

Answers

Answer:the only way you would know is if you were a man (not to be rude )

Explanation:

FOR 100 BRAINLZY POINTS I NEED IT NOW What marks the transition between the Precambrian Eon and Phanerozoic Eon?

Question 3 options:

increased meteor impacts


a disappearance of most of the life in the fossil record


an increase in the number and diversity of life in the fossil record


the appearance of land plants in the fossil record

Answers

Answer:

Explanation:

Mesozoic Era, second of Earth’s three major geologic eras of Phanerozoic time. Its name is derived from the Greek term for “middle life.” The Mesozoic Era began 252.2 million years ago, following the conclusion of the Paleozoic Era, and ended 66 million years ago, at the dawn of the Cenozoic Era. (See the geologic time scale.) The major divisions of the Mesozoic Era are, from oldest to youngest, the Triassic Period, the Jurassic Period, and the Cretaceous Period. The ancestors of major plant and animal groups that exist today first appeared during the Mesozoic, but this era is best known as the time of the dinosaurs.

Answer:

oh that's my answer sorry belated answer

PLEASE HELP. Exposure to certain building materials, such as asbestos, has been linked to certain types of cancer. Individuals with long term exposure often have mutations to tumor suppressing genes like p53. Why does this mutation not get passed on to their offspring?


A. The mutation occurred in their somatic cells.


B. The mutation will fix itself.


C. The mutation occurred in their gametes.


D. Mutations to genes cannot be passed on.

Answers

the answer is a fneuejdjed

Answer:

The answer is A

what stops the harmful "solar wind" from hitting the Earth?​

Answers

Earth has a strong magnetic field. This deflects the charged particles and protects Earth.

Hope this helps :)

Which statement best explains why the population stabilized and why?!

A population of chipmunks migrated to an environment
where they had little competition, Their population quickly
increased but eventually stabilized as shown in the graph.

A. Interbreeding between members of the population increased the mutation rate.

B. A predator species came to the area and occupied the same niche as the
chipmunks

C.
The population size became limited due to factors such as availability of food.

D. An increase in the chipmunk population caused an increase in the producer
population.

Answers

Answer: C. The population size became limited due to factors such as availability of food.

Explanation:

Out of all the choices, C is the most likely to happen since more often then not, food runs out because a species has too many members. C is an example of the environment’s carrying capacity limiting the chipmunk species.

Since we are not told if the chipmunk population is really small, interbreeding may not happen. Predators hunt prey, not eat fruits like chipmunks do (I’m assuming what chipmunks eat.) If there was a predator species that came in, they would hunt the chipmunks instead of competing for the same resources. D just doesn’t make much sense in my opinion because that wouldn’t limit the chipmunk population.

The population size became limited due to factors such as availability of food in the chipmunks. Thus the correct option is C.

Why the population size become limited?

The population size become limited because of carrying capacity. It can be defined as a species' average population size in a particular habitat.

The chipmunks species population size is limited by environmental factors like adequate food, water, shelter, and mates. If these needs are not met, the population will decrease until the resource resile.

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An example of abiotic factors influencing marine organisms is:
*
O predation
competition for food,
parasitism.
salinity.
bacterial disease.

Answers

Answer:

parasitism

Explanation:

Describe how scientists make inferences on whether water is polluted or not

Answers

Answer: Water that's safe to drink should ideally be clear with no odor or funny taste. One way to tell if water is contaminated is to look for turbidity, or cloudiness. While cloudy water isn't necessarily dangerous to your health, it could signal the presence of unsafe pathogens or chemicals.

Explanation:

Drinkable water should ideally be transparent and taste and smell normal. Look for turbidity, or cloudiness, as one indicator that water is contaminated.

What is drinkable water?

Surface water and groundwater are the two sources of potable water, also referred to as drinking water. The level of treatment applied to this water satisfies both state and federal standards for potable water.

The indirect potable reuse (IPR) and direct potable reuse (DPR) processes are the two basic ways to turn wastewater into potable water (DPR).

Foggy water may not always be harmful to your health, it may indicate the presence of germs or chemicals that are toxic.

Therefore, Drinkable water should ideally be transparent and taste and smell normal. Look for turbidity, or cloudiness, as one indicator that water is contaminated.

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Give an example of an adaptation

Answers

An adaptation is any characteristic that helps a plant or animal survive in its environment. A penguin's feathers are an adaptation. For example, animals that live in cold places have adaptations to keep them warm. Plants that live in dry areas have adaptations to help them conserve water.

Answer:

Adapting to a new environment is an example of adaptation.

Explanation:

Adaptation means to be able to adjust to something new.

If two trucks have the same mass, but truck A is traveling 15 km/h, and truck B is traveling 30 km/h, what statement is true? Question 2 options: Truck A has greater kinetic energy. Truck B has less kinetic energy. Truck B will have a greater stopping distance. Truck A will have a greater stopping distance.

Answers

Given that the two trucks have the same mass but different velocities, that is truck A is traveling 15 km/h and truck B is traveling 30 km/h,  hence  Truck B will have a greater stopping distance.

The reason why Truck B will have a greater stopping distance is because it speed is greater hence more distance to cover.

From the following expression

Speed = Distance/Time

Distance = Speed*Time

More on the kinetic Energy

Following from the given problem truck B will also have more kinetic energy because it velocity is more

Formula

KE= 1/2mv^2

Hence the more the velocity for a constant mass the greater the Kinetic energy

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Answer:

B

Explanation: i tookt he test


The Earth's lithosphere ON THE CRUST is broken up into sections known as:
A asthenosphere
B layers
tectonic plates
D) atmosphere

Answers

The lithosphere is divided into chunks known as tectonic plates.
The lithosphere is the rocky outer part of the Earth. It is made up of the brittle crust and the top part of the upper mantle. The lithosphere is the coolest and most rigid part of the Earth.

define nucleic acid but it has to be five words

Answers

Answer

Nucleic acids are naturally occurring chemical compounds that serve as the primary information-carrying molecules in cells. They play an especially important role in directing protein synthesis. The two main classes of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid

Explanation: hope this helps :)

A strand of mRNA has the sequence : AUGGACACGUUG What sequence of amino acids are coded in this strand ?

A- Methionine, glutamic acid, proline, isoleucine

B- methionine , proline , leucine , threonine
C- isoleucine , proline , leucine , threonine
D- methionine , asparagine , threonine , leucine

Answers

Answer:

D

Explanation:

(AUG)= methionine

(GAC)= asparagine

(ACG)= threonine

(UUG)= leucine

how can food handlers reduce bacteria to safe levels when preparing vegetables

Answers

These can be done by washing of the vegetables, good kitchen Hygiene and proper storage.

Vegetables are perishables, with some quantity of stored water  and therefore they harbor bacteria.

Hands should be washed before handling to prevent contamination.Thorough washing should be done under  running water to remove the bacteria. The water current sweeps away the bacteria.Further washing of the vegetables in the warm water with 2% saline solution is needed to  kill some other bacteria and pesticides  resistant to cold water. This is also remove  pesticides residue  on the leave surfaces.The vegetables should be stored in the refrigerator to slow down the activity of the  bacteria  prior to cooking  or before eating.

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The two variables in your spreadsheet are time (years) and temperature (degrees Celsius). Which is the
independent variable, and which is the dependent variable? Which variable belongs on the x-axis, and
which belongs on the y-axis? Explain your reasoning.

Answers

Answer:So, the temperature depends on the time. So, the temperature is dependent, and the time is independent. If you're looking at a graph, the independent variable is generally on the horizontal axis

Explanation:

As a result, the temperature changes with time. Therefore, while the time is independent, the temperature is dependent. The independent variable is often on the horizontal axis when viewing a graph. So the independent variable is on the x-axis and the dependent variable is on the y-axis..

What are variables?

Any attribute that can have varying values, such as height, age, temperature, or test results, is referred to be a variable in research. To assess the causality of links, researchers frequently modify or quantify independent and dependent variables in studies.

The cause is the independent variable. Its value is unaffected by other research factors.The effect is the dependent variable. Changes in the independent variable affect its value.

Therefore, the independent variable is on the x-axis and the dependent variable is on the y-axis

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