<h2>C. A predatory fish is introduced into a lake, resulting in a dramatic decrease in the populations of smaller fish.</h2>
Answer:
I would say C. but i don't think it will be
<span>Valence is defined as number of electrons that are present in the outermost orbital. Oxygen is in the 16th column of the periodic table and the total number of valance electrons is determined by units place digit of the column position which is 6 for oxygen. The outermost orbital is the high energy level and there are two in that orbit. So the valance is +2.</span>
C ITS C I TOOK IT I took the test
Answer:
RNA polymerase is an enzyme that is responsible for copying a DNA sequence into an RNA sequence, duyring the process of transcription.
