Question

what is density?
the ratio of an objects mass to its length
the ratio of an objects mass to its volume
the ratio of an objects volume to its mass
the ratio of an objects volume to its length

Explanation:

Density is a fundamental concept in natural - science. It is defined as the amount of mass per unit volume of a substance. Mathematically, density ($
ho$) is given by the formula $
ho=\frac{m}{V}$, where $m$ is mass and $V$ is volume.

Answer:

The ratio of an object's mass to its volume