Question

Air is composed of many different gasses, while water is a pure substance. Which choice BEST compares air and water?

Air is a mixture of two or more components that keep their own identifying properties, while water is composed of compounds that combine forming a mixture.
Air is a mixture of two or more components that keep their own identifying properties, water is composed of elements that combine forming a compound.
Air is a compound of two or more components that keep their own identifying properties, while water is composed of mixtures that combine forming a compound.
Air is a compound of two or more components that keep their own identifying properties, while water is composed of elements that combine forming a mixture.

Answers

GPT-4o mini
The BEST choice that compares air and water is:

**Air is a mixture of two or more components that keep their own identifying properties, while water is composed of elements that combine forming a compound.**

This statement accurately describes air as a mixture (primarily of nitrogen, oxygen, and other gases) that retains the individual properties of its constituents, whereas water (H₂O) is a compound made from the chemical combination of hydrogen and oxygen elements.