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An Assertion (A) and Reason (R) are given below.

Assertion (A): Greenhouse emissions have increased in the last decade.

Reason (R): The average vehicles on roads have increased in the last decade.

Choose the correct option:

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

Answer (Detailed Solution Below)

Option 3 : Both A and R are true and R is the correct explanation of A.
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Detailed Solution

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Vehicles emit carbon dioxide which is a greenhouse gas.

Therefore, Reason (R) is true.

Therefore, increase in average cars on road means increase in carbon emissions.

Therefore, Assertion(A) is true.

Hence, (A) is true and (R) is true and (R) is the correct explanation of (A).

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