Breathing is difficult at higher altitude because
1)air is less dense
2)air is more dense
3)air is equally dense everywhere
4)none of the above
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Breathing is difficult at higher altitude because
1)air is less dense
2)air is more dense
3)air is equally dense everywhere
4)none of the above
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Answer:
THE CORRECT ANSWER IS
1.) AIR IS LESS DENSE
HOPE IT HELPS
Answer:
a) Less Dense
Explanation:
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.