<span>B. energy
hope it helps
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[B][C] / [A]^2
Products raised to the coefficients over reactants raised to the coefficients
You just divide 75 by 12
6.25 dozens
Inhales. Oxygen - good for the body - gives it to the Circulatory System to be transported throughout the body through the blood. Digestive System gets nutrients from food and hands it over to the blood and Circulatory System then carries those nutrients where they need to go.
I hope this helps! :')
I might be a little late to answer your question. I'm sorry!