If an atom has 2 electrons in the 3rd orbital, what “time” on a clock would the 2nd electron be at? o’clock.

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.