195k views
3 votes
Carbon dioxide (CO2) is:

O
a
greenhouse gas
emitted by volcanoes
often associated with mass extinctions
all of the above

2 Answers

2 votes
Yeah it’s all of the above
User Isxpjm
by
8.6k points
6 votes
The correct answer is all fo the above
User MSpeed
by
9.1k points
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