Question

The effects of aerosols on climate is/are

a. They directly reflect sunlight back to space.

b. They indirectly make clouds brighter reflectors.

c. Aerosols have a net cooling effect on climate systems.

d. Human generated aerosols offset the impact of global warming to some extent.

Which of the above effects is/are true ?

1. Only a, b and c are true
2. Only a and c are true
3. Only b,c and d are true
4. a,b,c and d are true

Answer 1

Correct Answer - Option 4 : a,b,c and d are true

The correct answer is a,b,c, and d are true.

• 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.
  • Hence a,b,c, and d all are true.

 

• 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.