What two categories of chemicals are based on carbon content? a. molecules and compounds b. living and nonliving c. ionic and covalent d. inorganic and organic

D

Explanation:

A P E X

Option (D) is the correct answer.

Explanation:

Inorganic compounds are the compounds which lack carbon atoms.

For example, water is an inorganic compound.

Whereas organic compounds are the compounds which have carbon atom(s). For example, methane () is an organic compound.

On the other hand, molecules, compounds, living, non-living, ionic, and covalent categories of chemicals can either have carbon content or not have carbon content.

Thus, we can conclude that inorganic and organic categories of chemicals are based on carbon content.

altitude, density, pressure

air gets less dense the higher the altitude and also the air pressure is less as altitude rises.