How does the opening and closing of the stomata help the plant? * A. It aids in

How does the opening and closing of the stomata help the plant? * A. It aids in releasing turgor pressure from the guard cells.
B. It helps maintain the water pressure within the stroma.
C. It helps to regulate the amount of oxygen that enters the plant.
D. It helps the plants maintain homeostasis by regulating the amount of water the plant loses during transpiration.