Question

what is a hydrocarbon? a. a molecule containing only carbon and oxygen b. a molecule containing only carbon and hydrogen c. a molecule containing only carbon as a solid d. a molecule containing carbon, oxygen, and hydrogen

Explanation:

The term "hydrocarbon" is derived from "hydro-" (hydrogen) and "carbon". Hydrocarbons are organic compounds composed only of carbon and hydrogen atoms.

Answer:

B. A molecule containing only carbon and hydrogen