Assertion (A): Reading improves vocabulary. Reason (R): A larger vocabulary enhances communication skills. How do A and R relate?

A. BOTH A AND R ARE TRUE, AND R IS THE CORRECT EXPLANATION OF A.

Assertion (A): All mammals are warm-blooded. Reason (R): Warm-blooded animals can regulate their body temperature internally.

A. BOTH A AND R ARE TRUE, AND R IS THE CORRECT EXPLANATION OF A.

Assertion (A): All birds can fly. Reason (R): Flight is a characteristic of all avian species.

D. A IS FALSE, BUT R IS TRUE.

Assertion (A): All mammals are warm-blooded animals. Reason (R): Some reptiles can regulate their body temperature. Which of the following is correct?

B. A IS TRUE, R IS TRUE, BUT R IS NOT THE CORRECT EXPLANATION OF A.

Assertion (A): All birds can fly. Reason (R): Penguins are birds. Which of the following is correct?

C. A IS FALSE, R IS TRUE.