<span> C) It was once underwater; now it is not. </span>
Answer:
"Carbon-14 dating can determine the age of an artifact that is up to 40,000 years old. Living organisms absorb carbon my eating and breathing." Credit to NDT
Explanation:
Mark as brainliest please >_<
<span>The correct answer is B. Insertion. In this particular insertion there is an insert of three bases. Complementary strands in DNA are the opposite strand, so Adenine is coupled to Thymine and Guanine is coupled to Cytosine. So the complementary sequence (also called the antisense strand) of the original would be GTC GGC ATC, there's an extra 3 bases in there: ACA.</span>