asked 221k views
2 votes
The atmosphere of both Mars and Venus is mostly _____

carbon dioxide
O carbon monoxide
O nitrogen
O oxygen

2 Answers

4 votes
carbon monoxide is the correct answer
answered
User Paco Valdez
by
7.7k points
5 votes
Carbon monoxide is the right answer
answered
User Avalon
by
8.6k points

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