Answer:
The carbon cycle plays a key role in regulating Earth's global temperature and climate by controlling the amount of carbon dioxide in the atmosphere. The greenhouse effect itself is a naturally occurring phenomenon that makes Earth warm enough for life to exist...hope it helps..
Its most likely D as an enzyme is made from polypeptide chains that are proteins
hope that helps
D. The herring, salmon, and whale
They lower the activation energy. The energy needed for a reaction to occur.
<span>ANSWER: lowering the amount of energy required.
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BTW. The enzyme is a ferment conducting chemical reactions in living organisms. Each enzyme catalyzes a chemical reaction strictly defined for a specific substrate and conditions.
