1.

Consider the following statements with regard to atmospheric humidity:1. Absolute humidity is the amount of water vapour per unit volume.2. Hygrometer is used to measure relative humidity.3. Dew point is the temperature at which the relative humidity is 75%.Which of the above statements are correct?

A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2 and 3
Answer» B. 1 and 3 only


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