Question

which statement best illustrates why carbon is so important to life on earth? carbon occurs as a solid, a liquid, and a gas. carbon is found in both the living and nonliving worlds. carbon is stored in large quantities in fossil fuels. carbon - based macromolecules are found in living things.

Explanation:

Living organisms are composed of carbon - based macromolecules like proteins, carbohydrates, lipids, and nucleic acids. These are essential for life processes such as metabolism, growth, and reproduction. The other options do not directly relate to carbon's importance for life.

Answer:

Carbon - based macromolecules are found in living things.