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Assertion (A): The annual temperature range is much larger in the interior of a continent than on a coast.
Reason (R): Water has a far greater effective heat capacity than land and mixes heat downwards.

  • A.A is false but R is true
  • B.Both A and R are true, and R is the correct explanation of A
  • C.Both A and R are true, but R is not the correct explanation of A
  • D.A is true but R is false

Answer: B

Both are true and the reason gives both mechanisms: the ocean warms and cools slowly and distributes the change through a deep layer, while land responds within a thin surface skin. Mixing carries the change downwards in water.

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