Question

Assertion (A): The atmosphere is the most dynamic entity on the earth's surface.

Reason (R): Large masses of air are being moved up and down and across the surface of the earth.

Options

• Both A and R are true and R is the correct explanation of A.

• Both A and Rare true but R does not explain A.

• A is true but R is false.

• A is false but R is true.

Answer 1

Both A and R are true and R is the correct explanation of A.

Explanation:

The atmosphere is dynamic because it is constantly in motion due to factors like heating, cooling, pressure differences, and Earth's rotation. These cause large masses of air to move vertically and horizontally, leading to winds, storms, and other weather phenomena, which supports the assertion.