$?=\frac{\text { mass of water vapor (grams) }}{\text { mass of dry air (kilograms) }}$

question 67

Multiple Choice

$?=\frac{\text { mass of water vapor (grams) }}{\text { mass of dry air (kilograms) }}$ The formula shown above defines the humidity measure known as:

• A) the mixing ratio.
• B) relative humidity.
• C) vapor pressure.
• D) absolute humidity.

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Definitions:

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