HELP ME covalent compounds are typically soft and malleable while ionic compounds are typically hard and brittle. Describe what is occurring at the particulate level to cause these physical properties within a covalent solid.

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.