Given below are two statements, one labeled as Assertion (A) and the other labeled as Reason (R). **Assertion (A):** Severe droughts in Bihar's agricultural sectors are historically linked to the warming of the central and eastern tropical Pacific Ocean. **Reason (R):** The warming of the eastern Pacific (El Nino) causes an eastward shift of the convective zone, leading to descending dry air over the Indian subcontinent and weakening the monsoon trough. In the context of the above statements, which of the following is correct?

Options:

• A: Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
• B: Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
• C: Assertion (A) is true but Reason (R) is false.
• D: Assertion (A) is false but Reason (R) is true.

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