didnt understand the question, but the answer i think would be
The eukariotic cell cycle
I would think that an unweathered rock would be jagged while a weathered rock would be smooth because of water/wind or what ever weathered it.
The component is called 'resting metabolic rate. It operates when the body is at complete rest. It can also be called basal metabolism.
Https://quizlet.com/668110/chapter-19-evolution-review-flash-cards/
The answer to fill in the blank would be B) aka the second option because food gives our body energy and serves as fuel to recharge to give us energy to do things.