What role does the inner ear play in hearing sounds? * It blocks out unwanted sounds.
O
It converts vibrations into electrical signals.
O It helps determine if a sound is in front of or behind you.
It reflects high and low frequencies back to their source.

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

catya your not at all which answer i've seen you do this on another question!