The breaking down of earths crust is called

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

Which of the following is required of a new drug?me