Answer:
A
Explanation:
The water builds up in the cell, so B and D wouldn't make sense, and solutes don't enter the cell
The nitrogen in the air cannot be used by producers and consumers. It must be fixed or converted by bacteria in the ground into a useable form for plants called nitrates. Some plants called legumes (beans and clover) actually have bacteria in their roots.
Periods of drought. is the answer.
