How did Earth develop an atmosphere?

Related questions

1. What are three ways that Earth's atmosphere is helpful?
2. Where are greenhouse gases found?
3. Which gas in Earth's atmosphere tells us that there is life on Earth?
4. How is atmosphere useful to us?
5. What is the concentration of ozone in the ozone layer?
6. What causes gravity simple answer?
7. Why does the earth have an atmosphere?
8. How do greenhouse gases cause global warming?
9. Who invented atmosphere?
10. What is atmosphere short answer?

Tags

1. #molten
2. #carbon
3. #times
4. #mainly
5. #gases
6. #surface
7. #volcanoes
8. #earth
9. #formed
10. #included
11. #methane
12. #billion
13. #sulfide
14. #hydrogen
15. #cooled
16. #atmosphere
17. #solids
18. #years
19. #almost
20. #dioxide
21. #spewed
22. #today