It is cold and wet outside. Pam is wearing a wool hat and fur lined boots to help keep her warm. These pieces of clothing are good__. Question 18 options:

A. conductors

B. heaters

C. insulators

D. thermometers

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

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

i think slash and