Assertion (A): Reading improves vocabulary. Reason (R): People who read often have larger vocabularies than those who do not.

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

Assertion (A): All squares are rectangles. Reason (R): Some rectangles are not squares.

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

Assertion (A): All birds can fly. Reason (R): Penguins are birds that cannot fly.

D. A IS FALSE, BUT R IS TRUE.

Assertion (A): All mammals are warm-blooded. Reason (R): Some mammals can survive in extreme cold environments. What is the relationship between A and R?

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

Assertion (A): Logic puzzles enhance critical thinking skills. Reason (R): Solving puzzles requires analytical reasoning. What is the relationship between A and R?

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