Register
Earth's atmosphere is unique among the planets and is able to support life because it contains a large amount of ___________. A) oxygen B) helium C) methane D) carbon dioxide
201k views
2 votes
Earth's atmosphere is unique among the planets and is able to support life because it contains a large amount of ___________. A) oxygen B) helium C) methane D) carbon dioxide

User Sudheeshix
by
6.1k points

2 Answers

3 votes
Oxygen. Most living beings need air to breathe (and therefore live), and air (our atmosphere) contains about 21% oxygen.
User Jilles Van Gurp
by
7.5k points
4 votes
OXYGEN!!! What a great thing it is...
User Teamnorge
by
6.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.6m questions

10.2m answers

Other Questions

What negative impact might a major storm have on a barrier island?
A die is rolled. the set of equally likely outcomes is​ {1,2,3,4,5,6}. find the probability of getting a 6.
What happens after the Penn Foster online course? HELLLLLPPPPP
Who is the current president of Zambia?
If you had a microscope what kinds of things would you like to look at?
Link Copied!