Answer:
a
Explanation:
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Therefore, it must be useable which means Plants and animals have a connection between living. Animals eat plants, some do, like herbivores.
Enzymes are biological catalysts. Substances that increase the rate of chemical reactions without being used up, through lowering activation energy of the reaction. Enzymes are basically proteins folded into complicated shapes that allow small molecules to fit in them.
Hope it helps.
I would say C because, absolute time is in measured in years, C is the only answers that gives a specific year.
