Assertion (A): The relation between climate and human activities is striking in regions where the primary activities like agriculture, animal husbandry and forestry are dominant.

Reason (R): These activities are governed directly by the climatic conditions.

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

Both A and R are true and R is the correct explanation of A.

Explanation — Activities like agriculture, animal husbandry, and forestry are directly influenced by climate (temperature, rainfall, humidity, etc.). Therefore, in regions where these activities dominate, the impact of climate on human activity is most visible.