Question

mass measures
a. only the density of a solid
b. only the specific gravity of a liquid
c. only the specific volume of a substance
d. how much matter an object has

Explanation:

Mass is a fundamental physical property defined as the amount of matter contained within an object. Options A, B, and C describe other distinct properties: density relates mass and volume, specific gravity compares a liquid's density to water, and specific volume is volume per unit mass, none of which define mass.

Answer:

D. How much matter an object has