For each of the following processes, list the sphere where matter begins in the process and the sphere where matter ends in the process. Oil wells burn fossil fuels.
(Not sure if this is biology or chemistry as a subject)

thats how its supposed to be

answer: cellular respiration takes in food and uses it to create atp, a chemical which the cell uses for energy. usually, this process uses oxygen, and is called aerobic respiration. it has four stages known as glycolysis, link reaction, the krebs cycle, and the electron transport chain.