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erik [133]
3 years ago
10

the opening and closing of this structure on a plant leaf allows for water and gas exchange to occur. A) xylem B) phloem C) stom

ata D) guard cells
Biology
1 answer:
Charra [1.4K]3 years ago
6 0

C) stomata

Each stoma is surrounded by two guard cells, which can open/close depending on environment. When there is moisture, the guard cells swell with water, and force the stoma to open and allow gas exchange to occur.

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