Green house effect

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