Geography
Assertion (A): Under conditions of high relative humidity, the rate of evaporation of sweat from the skin decreases and the human being feels warm and uncomfortable.
Reason (R): The human body dissipates heat through perspiration and its evaporation.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.
Humidity
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Answer
Both A and R are true and R is the correct explanation of A.
Explanation — Human comfort depends on humidity. Highly humid air is more oppressive. The human body dissipates heat through perspiration and its evaporation. Under conditions of high relative humidity, the rate of evaporation of sweat from the skin decreases which results in the human being feeling warm and uncomfortable.
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