Plants and animals provide food for humans. Plants cycle the air for humans too.
I may be wrong but I think it’s the second one. They speed up reactions, and there’s a certain enzyme for a certain reaction.
Answer:
<h3>Recently been reviewed and range from single cell protein </h3>
Explanation:
I hope it is correct
Answer: A, the sun creates it's own light.
Explanation: <em>The moon can't create it's own light, so the sun shines on the moon and it </em><em>reflects</em><em>, or "bounces" off. The sun is able to produce it's light by </em><em>fusion,</em><em> which also creates heat. </em>
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