Q. Which of the following is/are the effects of aerosols on climate?
1. They directly reflect sunlight back to space.
2. They indirectly make clouds brighter reflectors.
3. Aerosols have a net cooling effect on climate systems.
4. Human generated aerosols offset the impact of global warming to some extent.
Select the correct answer using the codes given below:
Answer: D
Notes:
Explanation: The effects of aerosols on climate are
- They directly reflect sunlight back to space.
- They indirectly make clouds brighter reflectors. c. Aerosols have a net cooling effect on climate systems.
- Human-generated aerosols offset the impact of global warming to some extent.
Aerosol
- An aerosol is a suspension of fine solid particles or liquid droplets in air or another gas.
- Aerosols can be natural or anthropogenic. Examples of natural aerosols are fog, mist, dust, forest exudates, and geyser steam.
Source: WMO
