asked 115k views
22 votes
Which describes one of oxygen's roles in Earth’s atmosphere?

1.allows fuels to burn.
2.forms clouds that produce rain.
3.is the gas that animals exhale.
4.is used by plants to produce food.

asked
User Dalef
by
8.0k points

1 Answer

3 votes

Answer: a

Step-by-step explanation:

answered
User Sunteen Wu
by
8.3k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.