The atmosphere is composed of layers of air surrounding the Earth. It contains water vapor ranging from 0-7% of the air, as well as important gases like ozone, a form of oxygen that absorbs harmful UV radiation from the sun. Ozone in the atmosphere helps protect life on Earth's surface from UV radiation's harmful effects by absorbing it.

1. What makes up
the Atmosphere?

2. What is atmosphere?
• It is the layers of air that surround the Earth.

3. Contents of the atmosphere
• Water vapor, is found in the atmosphere , and it ranges from 0% to
7% of the air.
• Another important gas is ozone ,a form of oxygen that absorbs the
harmful UV radiations from the sun .
• Ozone in the atmosphere helps protect life at earth’s surface from
the harmful effect of UV radiation.

4. Green house effect