Given below are two statements, one labelled as Assertion (A) and the other labelled as **Reason (R):** Assertion (A):** A body weighs less at the top of a high mountain than at sea level. **Reason (R):** The acceleration due to gravity (g) decreases with an increase in altitude above the Earth's surface. Select the correct answer using the codes given below:

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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