Question

What does relative humidity measure?

• the amount of water in cirrus clouds
• the amount of water hat has evaporated into the air
• the amount of frozen water that has condensed from the air
• the amount of water valor in the air compared to the amount it can hold

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Answer 1

the amount of water vapor in the air compared to the amount it can hold

Step-by-step explanation:

By definition, relative humidity is equal to the partial pressure of water divided by the total amount of water that the air can hold at that temperature. The last one basically restates the definition. (Partial pressure is the number of particles of a substance divided by the total number of particles.)

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