The air we breathe contains different individual gases (mostly nitrogen and oxygen). Which of the following correctly describes the air we breathe?

A.
element
B.
liquid
C.
compound
D.
mixture

1 answer

D. mixture

The air we breathe is a mixture of different gases, primarily nitrogen and oxygen, along with smaller amounts of other gases like argon, carbon dioxide, and trace gases. It is not an element, liquid, or compound.