Question

What is not true about the air?

• A. It makes the windmill rotate.
• B. It helps in the movements of aero planes.
• C. Birds can fly due to the presence of air.
• D. It has no role in the water cycle.

Answer 1

The correct option is D

It has no role in the water cycle.

The correct option is D.

Explanation of correct option:

1. The water cycle is a continuous flow of water from Earth and into the atmosphere.
2. It is a complicated system with many chemical reactions occurring in coordination.
3. Liquid water evaporates into water vapor, condenses into clouds, and the movement of clouds is through the air.
4. Thus, the air is an essential medium in the water cycle.

Explanation of incorrect options:

Option A:

The air causes windmills to rotate and generate energy.

Option B:

The ability of airplanes to create lift is due to air pressure.

Option C:

The presence of air enables the birds to fly, the wings of the birds push the air down and back, thus allowing them to fly.

Final answer: Air has no role in the water cycle is not true.