Question

D. Name the following.
1. The layer of gases that surrounds the Earth:
2. The layer of air in which weather changes take place:
3. The layer of air where jet airplanes fly:
4. The gas in the air that absorbs harmful rays from the Sun:
5. A special kind of light used to kill germs:​

Answer 1

Nitrogen — 78 percent.
Oxygen — 21 percent.
Argon — 0.93 percent.
Carbon dioxide — 0.04 percent.

Answer 2

Answer:

1. Atmosphere

2. Troposphere

3. Stratosphere

4. Ozone

5. UV light

Explanation:

Hope it helps.