Answer:A. It was a period of increased solar radiation
Explanation: I took a test and I got it right
I've seen this question before, I think you have incorrect choices
The correct answer is: DNA polymerase pairingnew As with Gs.
not Cs with Gs .
Answer - C. Coal is ionically bonded together while diamonds are covalently bonded together.
<span>Changes in a DNA sequence that affect genetic information are known as mutation.</span>
D is the ion found in water