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| Q. |
We feel cool when we sit near the fan, this is because – |
| A. | fan gives cool air. |
| B. | an cools surrounding air. |
| C. | air vapourises the sweat on our body. |
| D. | we feel cool when air touches the body. |
| Answer» C. air vapourises the sweat on our body. | |
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Explanation: We feel comfortable sitting under a fan when we are perspiring because a fan increases the rate of evaporation of sweat (or moisture) from our body and makes us feel cool and comfortable. |
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