Air Quality
- Created by: ~divine~
- Created on: 19-04-14 21:00
Other questions in this quiz
2. Percentage of nitrogen in our atmosphere?
- 78
- 21
- 1
- 43
3. What was the Earth like around 4.5 billion years ago?
- Hot and sunny
- Violent and volcanic
- Cold and damp
- Quiet and peaceful
4. Percentage of oxygen in our atmosphere?
- 90
- 21
- 3
- 79
5. What does the Greenhouse gas effect do to our atmosphere?
- Makes it cleaner
- Increases it's temperature
- Adds more chemicals to it
- Decreases it's temperature
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