Which statement best explains how enzymes speed up chemical reactions? a. enzymes gain heat from chemical reactions b. enzymes change shape during chemical reactions c. enzymes lower the activation energy of a reaction. d. enzymes use light energy to speed up chemical reactions

It is A. Enzymes lower the activation energy of a reaction.

The answer is, A. Enzymes lower the activation energy of a chemical reaction.

Explanation:

I took the test on K-12 and it was correct

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i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)

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