B.) Decreases (As the growth rate of a population increases, the doubling time decreases.)
It’s C because wind erosion is the most pronounced in dry environments.
Hope this helps.
Answer:
is the process by which food is broken down without oxygen
Answer:
The root hair cells have carrier proteins in their cell membranes. These pick up the mineral ions and move them across the membrane into the cell against the concentration gradient . ... Because active transport moves ions against the concentration gradient into the root hair cells, energy is needed.
