Question

water (H2O) and carbon dioxide (CO2) are similar because they both contain at least one oxygen A.) atom. B.) mixture C.) molecule. D.) compound.

Answer 1

a

Step-by-step explanation:

it is A because h20 and c02 are molecules while what make them up are atoms

Answer 2

Atom

Step-by-step explanation:

The formula of carbon dioxide tells us that in each carbon dioxide molecule, there is a carbon atom bonded to two oxygen atoms. The formula of water tells us that in each water molecule, there are two hydrogen atoms bonded to one oxygen atom.