Answer:
14 billion years
Explanation:
Because the percentage of parent isotope remaining decreases by 50% at 14 billion years.
The answer is c. Hope this helps
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Answer:
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.
Explanation:
