Why living things can survive on the earth?

Related questions

1. What is the concentration of ozone in the ozone layer?
2. Why does the earth have an atmosphere?
3. Do humans produce methane?
4. Which layer of the atmosphere contains the ionosphere?
5. Can the Moon have an atmosphere?
6. Why is the ozone layer important?
7. Where does the greenhouse effect occur?
8. Where does the Earth's atmosphere end?
9. Did Mars ever have an atmosphere?
10. What is atmosphere in simple words?

Tags

1. #other
2. #breathe
3. #compounds
4. #their
5. #oxygen
6. #metabolize
7. #about
8. #methane
9. #photosynthesis
10. #things
11. #earth
12. #hydrogen
13. #water
14. #number
15. #there
16. #energy
17. #makes
18. #essential
19. #living
20. #organisms
21. #plants
22. #through