I can maybe answer it if you give me more details
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I would say that the answer to this question is most likely B or D.
Nucleic acid<span> typically contain phosphorous, and nitrogen plays an important structural role in nucleic acids and proteins. The proteins, being made up a diverse set of amino acids, have, in addition to carbon, hydrogen, oxygen, and nitrogen, the elements sulfur and selenium.</span>
Answer: si un objeto A ejerce una fuerza sobre un objeto B, entonces el objeto B debe ejercer una fuerza de igual magnitud en dirección opuesta sobre el objeto A.
Explanation:
<span>peer review means to let someone who is your peer, review your work.
</span>They review another's one work, give suggestions, and help edit the paper.<span> </span>