Explanation:
The Precambrian covers almost 90% of the entire history of the Earth. It has been divided into three eras: the Hadean, the Archean and the Proterozoic. The Precambrian Era comprises all of geologic time prior to 600 million years ago.
Answer:
A
Explanation:
Beacuse as temperature increases the enzymes becomes denatured
<span>If rna polymerase is missing sigma then transcription initiation would not occur but elongation could.</span>
The cell must Replicate its DNA for the Daughter cell
