Answer:
(2) diffusion
Explanation:
Diffusion is a process in which molecules moves from a region of higher concentration to the region of lower concentration. In this condition, plant roots contain high concentration of nitrates than soil so nitrates moves from roots through semi-permeable to the soil by the action of diffusion until the concentration is uniform or equilibrium.
B. By using up less calories than you take
Answer:
A. mitochondria is the powerhouse of the cell
Answer:
relief rainfall occurs when warm moist air from the atlantic ocean rises up over mountains when the warm air rises it cools and condenses to form clouds which bring rain.