Question

It is the amount of water vapour in the air.​

Answer 1

i think , the percentage water vapor in surface air varies from 0.01% at -42 °C (-44 °F) to 4.24% when the dew point is 30 °C (86 °F). Approximately 99.13% of it is contained in the troposphere.

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Answer 2

Answer:

Large amount of water vapour causes rainfall or precipitation and this rainfall falls the the sea which is again evaporated...and this process continues which is called water cycle.....

Explanation:

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