Which of the following is a cost of recycling aluminum? A. Preserving Earth's remaining aluminum reserves
B. Producing toxic waste products
C. Using energy to transport a heavy metal
D. Disrupting tropical rain forest plants and animals

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