Relative humidity is expressed as A. Grams B. Kilograms C. Percentage D. Ratio

Grams
Kilograms
Percentage
Ratio

The correct answer is C. Percentage.

Relative humidity is a measure of how much water vapor is in the air compared to

the maximum amount of water vapor that the air can hold at that temperature. It is expressed as a percentage, with 100% being the maximum amount of water vapor that the air can hold at that temperature.

Grams and kilograms are units of mass, not percentage. A ratio is a comparison of two quantities, not percentage.

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