Pls answer it fast.

what is it asking I'm confused on what it wants you to do

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

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )