Explain why you cannot use a pump like the one at the right to lift water up to the 3rd floor of an apartment building.

a electronegativity decreases beacuse the size of nucleus is bigger.

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.