<span>a.Prenatal stage of a human up to 8 weeks of development after fertilization.
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Answer:
from the atmosphere
Explanation:
Aquatic plants also generate oxygen, but they use carbon dioxide from water.
Answer:
C. The hot magma covering early earth would have destroyed fossils
Answer & Explanation:
When connected together by a series of peptide bonds, amino acids form a polypeptide, another word for protein. The polypeptide will then fold into a specific conformation depending on the interactions (dashed lines) between its amino acid side chains.
Answer:
it is over a long period of time
Explanation:
