Houses with carpet are much quieter than houses with tile or hardwood floors because of sound wave A)
absorption.
B)
diffraction.
reflection.
D)
refraction

Amount of liquid measured in l or lm

What does the cell nucleus do or, how does it function?

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?