This is anything with mass that occupies space.

The answer is matter because it takes up space

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

plz give brainliest

14 days is the half-life of phosphorus-32