The five are costs, availability, safety, content, and byproducts of the fuels use. Hope I helped!
Biological realm..............
When light reaction occurs in the stroma of chloroplast glucose is produced
They are called reactants
A constant in an experiment is <u>B. </u><span><u>the quantity that must remain the same</u>. If it is constant, it doesn't change, so it cannot be variable. D makes no sense.
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