The trade-off that occurs when the stomata are open is best described as:A. when the stomata are open, oxygen can get in but CO2 can get out. B. when the stomata are open, oxygen can get out but CO2 can get in. C. when the stomata are open, oxygen can get out but water can get in. D. when the stomata are open, CO2 can get in but water can get out

Explanation:

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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.