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.

Respuesta :

Answer:

A

an element made of carbon and oxygen atoms.

So I think the answer is going to be A An element made of carbon and oxygen atoms.