Karissa races her friend Cynthia on skateboards. Karissa has a smaller mass than Cynthia. If Karissa and Cynthia push off of the ground with the same force, who will have greater acceleration? Why?

How would your answer change if it was known that Karissa also exerted a smaller force (in addition to having a smaller mass)? Defend your answer using the equation that relates force, mass, and acceleration.

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.

the answer will be a) proteins i believe

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