Across
- 1. The average of a long period of weather is the…..
- 4. Living things the live on earth are called…..
- 6. Water on the surface of the Earth is called…..
- 7. effect, The term when heat is trapped on Earth.....
- 9. The temperature for a short period…..
Down
- 1. cycle, The process in which carbon dioxide is recycled is called the.....
- 2. Gases in the air surrounding the Earth is also known as the…..
- 3. The land on which land lies on Earth is called…..
- 5. cycle, The most precious resource to all living things on Earth.....
- 8. cycle, Which cycle is an important element of protein for living things…..?
