Answer:
The air at higher altitudes is colder, less dense, and contains fewer oxygen molecules. This means that you need to take more breaths in order to get the same amount of oxygen as you would at lower altitudes. The higher the elevation, the more difficult breathing becomes
Explanation:
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Translations
the process of translating words or text from one language into another.
rotations
the action of rotating around an axis or center.
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E) the township-and-range survey system was based on a geometric grid pattern......
