Question

At higher altitudes air becomes ................(thicker, thinner, hotter, more humid)

Answer 1

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Your answer is.....

At higher altitudes air becomes thinner.

The atmosphere becomes less dense as altitude increases because there is less weight on the air molecules, making them less compressed.

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Answer 2

Answer:

At higher altitudes, air becomes thinner.

Explanation:

1. Atmosphere is held by the earth’s gravitational force.

2. Altitude is defined as the height beginning from the sea level.

3. Air, at lower altitudes, experiences more gravitational force from the earth and hence, air is held tightly. Thus, air is more dense and thicker at lower altitudes.

4. As the altitude increases, the gravitational force becomes less, air is not so tightly held and molecules move freely. Hence, air becomes thinner at higher altitudes.