The answer is "<span>The rising convection current below the oceanic lithosphere lifts the lithosphere as the plates move apart." which is letter D. Convection current moves the plate away from each other due to the heat pressure that circulates beneath the lithosphere. The gap between the divergent plane will create the mid-ocean ridges.</span>
Mainly because of time. The precambrian era started millions of years ago, and organisms didn't have enough time to change and adapt to form new species, since this is something that takes a long time to occur.
Hope it helped,
BioTeacher101
Answer:
B. Amino group
Explanation:
The definition of an amino group is it is a functional group that consists of a nitrogen atom attached by single bonds to hydrogen atoms.
Could you send the rest of the question please in the comments?
The angular gyrus is that region.