Civil Services Prep

Prelims MCQ · Geography

Consider the following Assertion and Reason:

Assertion (A): The atmosphere is heated mainly from below by terrestrial radiation.

Reason (R): Most incoming solar radiation is long-wave radiation that is absorbed directly by the atmosphere before reaching the Earth’s surface.

Which one of the following is correct?

  1. Both A and R are true, and R is the correct explanation of A.
  2. Both A and R are true, but R is not the correct explanation of A.
  3. A is true, but R is false.
  4. A is false, but R is true.
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