Consider this plant cell. which organelle is labeled a?

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a. precipitation b. erosion c. migration d. condensation

20 the compound al(nh3)2 has atoms of nitrogen.