Question

ta the higher altitudes air become ________

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Answer 1

Answer:

rarer

Explanation:

At higher altitudes, the air becomes rarer and amount of oxygen per liter of air decreases.

Answer 2

Answer:

less dence.

Explanation:

As altitude increases, the amount of gas molecules in the air deceases - the air become less dense than air nearer to the sea level. ... Sir expands as it rises, and the fewer gas molecules - including nitrogen, oxygen and carbon dioxide - have fewer chances to blump into each other . The human body reacts to high altitudes.