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

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

compost can be added to topsoil as a:

pesticide