Question

question 20
4 pts
density is a measure of:
the weight of an object
the amount of mass in an object
the amount of oxygen in an object per unit of matter
the amount of matter in an object per unit of volume

Explanation:

Density is defined as mass per unit volume, where mass represents the amount of matter. So it measures the amount of matter in an object per unit of volume.

Answer:

The amount of matter in an object per unit of volume