Q.

Consider the following statements regarding aerosols: 1. An aerosol is a colloid of fine solid particles or liquid droplets, in air or another gas. 2. The aerosol adsorbs pollutants and facilitates their deposition on the earth’s surface, which is harmful for the environment. 3. Aerosol regulates the amount of sunlight (solar insolation) entering into the earth’s atmosphere and contributing to the global climate change. Select the correct answer using the code given below.

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