Humans absorb oxygen from the air they breathe in and exhale carbon dioxide gas, CO2.Carbon dioxide gas is
A
an element made of carbon and oxygen atoms.
B
a solution made of carbon and oxygen atoms.
C
a compound of carbon and oxygen atoms.
D
a mixture of carbon and oxygen atoms.
Answers: 3
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Humans absorb oxygen from the air they breathe in and exhale carbon dioxide gas, CO2.Carbon dioxide...
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