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In each of the following questions, a statement of Assertion (A) is given followed by corresponding statement of Reason \( (R) \).
Of the statements, mark the correct answer as
(a) If both \( \mathrm{A} \) and \( \mathrm{R} \) are true and \( \mathrm{R} \) is the correct explanation of \( A \)
(b) If both \( \mathrm{A} \) and \( \mathrm{R} \) are true and \( \mathrm{R} \) is not the correct explanation of \( A \)
(c) If \( \mathrm{A} \) is true, but \( \mathrm{R} \) is false
(d) If \( A \) is false, but \( R \) is true
Assertion (A) Our body secretes adrenaline in intense cold.

Reason (R) Adrenaline raises metabolic rate.
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