Answer:
Explanation:
:
D. when the stomata are open, CO2 can get in but water can get out
Explanation:
Stomata are openings in leaf epidermis that are small they permit the entry of carbon dioxide and also allow the exit of water vapour.
Opening and closing of stomata is regulated according to physiological needs of the leaf.
Carbondioxide that is diffuses into the leave is used for photosynthesis.
Plant regulates water loss from the stomata. during the hot and cold weather water is conserves to maintain a cool environment in plant this is done by closing of stomata.