Answer:
DENSITY is a physical property of matter, as each element and compound has a unique density associated with it.
Density is the number of things—which could be people, animals, plants, or objects—in a certain area.
The density of an object is the mass of the object compared to its volume. The equation for density is: Density = mass/volume or D = m/v.
A measure of the quantity of some physical property (usually mass) per unit length, area, or volume (usually volume).
Mass density is a measure of the mass.