True or False: The polar zones on Earth are near the equator

Calculate the mass percent of hydrogen in methyl acetate

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium