Answer:
Proteins are compounds that are composed of chemicals such as Carbon, Hydrogen, Oxygen, and Nitrogen.
Explanation:
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Your answer should be increasing in number
If only one type of tree is planted in an abandoned field, the ecosystem will contrail<span> little genetic variability. This is not a healthy way of planting. This can lead to the total destruction of the trees. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.</span>
D. He has an aerator that pumps bubbles into the tank
