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