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

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

Assertion (A): All birds can fly. Reason (R): Birds have wings. Which of the following is correct?

D. A IS FALSE, BUT R IS TRUE.

Assertion (A): Reading improves vocabulary. Reason (R): A larger vocabulary enhances communication skills. Which of the following is correct?

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

Assertion (A): All fruits are sweet. Reason (R): Sweetness is a characteristic of fruits. Which of the following is correct?

D. A IS FALSE, BUT R IS TRUE.

Assertion (A): All dogs are mammals. Reason (R): Mammals are characterized by having fur or hair. Which of the following is correct?

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