Question

_______ substances are complex molecules that contain carbon atoms bonded to hydrogen atoms.

Answer 1

A substance that contains carbon

✔ may be organic or inorganic

. The substance

✔ is organic

if carbon is bonded to hydrogen. The substance

✔ is inorganic

if carbon is not bonded to hydrogen.

Step-by-step explanation:

Answer 2

The definition above is that of HYDROCARBONS.
Hydrocarbons are chemical substances which are made up of hydrogen and carbon atoms. These type of substances are usually found in crude oil and natural gases. The simplest example of hydrocarbon is methane, with chemical formula CH4.