Important terminology

2. A layer of gas or layers of gases that envelope a planet and is held in place by the gravity of the planetary body.
5. a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent.
6. Made up of the parts of the Earth where life exists, it includes all the ecosystems.
7. harmful to the ozone layer in the earth's atmosphere owing to the release of chlorine atoms on exposure to ultraviolet radiation.
9. The total amount of water on a planet.
10. the influences that a finding or publication has on science or on society, it can be long term or short term.

1. is the long-term heating of Earth's climate system observed since the pre-industrial period due to human activities.
3. They are extracted as Coal, crude oil and natural gas and used for energy.
4. Gases in the atmosphere, such as carbon dioxide, that trap heat.
8. movement of liquids and gases