The Lewis electron dot system represents electrons in the-- a) outer energy level
b) inner level
c) core level
d) middle level

the correct answer to this question is 2

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.