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The oxygen molecules spread out and the density is less. So its harder for your lungs to "find" oxygen molecules.

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14y ago

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Why is it harder to breathe he higher you go?

Because - the higher up the atmosphere you go - the less oxygen is in the air you breathe. Our bodies need a certain percentage of the air we breathe to be Oxygen - reduce the amount of oxygen in each breath, and it soon affects the body.


Why dont animals use up all the oxygen in the atmosphere?

Animals do not use up all the oxygen in the atmosphere because plants produce oxygen. When they breathe, plants inhale carbon dioxide (which is what animals breathe out) and exhale oxygen (which is what animals breathe in).


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Why is it harder to breathe after exercise?

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What happens when you go up into the atmosphere?

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Which of these is a component of the earths atmosphere?

these ??? There are no choices to choose from.


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