Question
Consider the following statements :
1. High clouds primarily reflect solar radiation and cool the surface of the Earth.
2. Low clouds have a high absorption of infrared radiation emanating from the Earth’s surface and thus cause warming effect.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Answer:
D
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Explanation:
● Statement 1 is wrong: High clouds are often thin and do not reflect very much. They let Sun's warmth pass through.
● Statement 2 is wrong: Low clouds reflect the sunlight back to space. Therefore, low clouds help to cool the Earth.