Read the following statements :
Assertion (A) : The ability to comprehend and speak depends on the physical development of the mouth and brain.
Reason (R) : Emotional development is related to physical growth.
Choose the correct option.

Correct option is A

The correct answer is (a) Both A and R are true but R is not the correct explanation of A.
Explanation: Both statements are true as they describe the inter-connectedness of developmental domains. However, the physical growth of the heart or height (R) does not explain the specific mechanism of language production (A).