For the first question, the age of each strip of rock is needed to determine the rate of seafloor spreading. The answer is B.
For the second question, the answer is A.
When describing a community, biologist would discuss every population that lives in that area.
Chromosomes have lined up on the metaphase plate. During anaphase (b), the sister chromatids are pulled apart and move toward opposite poles of the cell.
<span>Cells near the tip of a leaf stop dividing and elongating before those near the center and base of the leaf. TRUE. The nearer the cells to the tip, the greater possibility its elongation and division has to stop because of spatial factor.</span>
When water evaporates its accumulates inside of a cloud then after the cloud gets full it releases water/rain which is precipitation
