| Consider the following statements, |
| 1. Aerosols change cloud properties, alter precipitation patterns, |
| 2. Aerosols have a direct radiative forcing because they scatter and absorb solar and infrared radiation in atmosphere. |
| 3. Long-term accumulation of black carbon aerosols in the Arctic and Himalaya is leading to increased melting of snow. |
| Which of the statements (s) given above is/ are correct? |
A) 2 and 3
B) 1 and 3
C) Only 2
D) All of these
Correct Answer: D
Solution :
[d] The bulk of aerosols about 90% by mass have natural origins. Desert dust, volatile organic compounds from vegetation, smoke from forest fires and volcanic ash are natural sources of aerosols. All of the statements given are correct.
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