The amount of water in the air compared to the amount the air can hold is called the

subject: earth science

Relative humidity

Explanation:

Relative humidity is a parameter to measure the climatic condition of a region. It can be define as how much water vapor is present in the air as compared to the how much it can hold air at that temperature. It is noted in the form of percentage. For example, if a relative humidity is of 50 percent this means the air is holding the one half of the vapors of water.

Can't be B

Can't be C

Can't be D

The correct answer should be A!

Hope this helps.