Why can the climatic effect of atmospheric aerosols not be considered fixed in one direction?
Answer and explanation
Correct answer: Because scattering or absorption changes with their size, composition, colour and height
The governing concept is the condition-dependent radiative effect of aerosols. Bright or reflective particles may scatter sunlight and produce cooling, whereas dark particles can absorb radiation and cause warming, especially when located above reflective surfaces or clouds. Their size, composition, colour, altitude and interaction with clouds all matter. Therefore option B is correct; the other choices incorrectly claim that aerosols always warm, never interact with radiation or remain underground.
Frequently asked questions
What is the correct answer to this question?
Because scattering or absorption changes with their size, composition, colour and height
Why is this the correct answer?
The governing concept is the condition-dependent radiative effect of aerosols. Bright or reflective particles may scatter sunlight and produce cooling, whereas dark particles can absorb radiation and cause warming, especially when located above reflective surfaces or clouds. Their size, composition, colour, altitude and interaction with clouds all matter. Therefore option B is correct; the other choices incorrectly claim that aerosols always warm, never interact with radiation or remain underground.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Theory Base of Accounting. Topic: fundamental assumptions.
