Q.

A. Ear muscles of external ear in man are poorly developed R. These muscles are useful which move external ear freely to detect sound efficiently.

A. If A and R both are true and R is correct explanation of A
B. If A and R both are true but R is not correct explanation of A
C. If A is true and R is wrong
D. If A is wrong and R is true
Answer» C. If A is true and R is wrong
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