Question

why does the amount of water vapour decrease decrease rapidly with altitude?​

Answer 1

Answer:

Altitude and height play an important role in the vaporization of the water as water vapours are heavy and at higher altitudes, the air density decreases. Thus, it becomes difficult for heavier particles that make water vapors to get vaporized. Hence, the rate of water vaporization decreases with an increase in altitude.

Explanation:

The quantity of water vapor existing in the air depends upon the rate of evaporation and the temperature of the air which determines its holding capacity of water vapor. Both temperature and evaporation decrease with altitude and as a result water vapor also decreases rapidly with altitude.

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