The best answer would be enzymes since they are protein molecules and help build it. Enzymes also take part in reaction.
Answer:
The answer is option 1 about 70% of total global carbon is found in oceans.
Explanation:
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Natural gas is a fossil fuel used as a source of energy for heating, cooking, and electricity<span> generation. It is also used as fuel for vehicles and as a chemical feedstock in the manufacture of plastics and other commercially important organic chemicals.</span>