Each period corresponds to a principal energy level.
It has a root hair that grows (?) out of the cell and increases the surface area to increase the volume/amount (?) of absorption. It also has a large permanent vacuole that speeds up the rate of reaction/absorption (?). It has mitochondria to release the energy needed for active transport of mineral ions.
Answer:
answer in expl.
Explanation:
example of false solution.- Earth is not square
true eg. - we live in earth
One is possitive and one is negatve