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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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ppk ppk
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12 years ago
CO2 enters the inner spaces of the leaf through the   
A) stoma.
B) cuticle.
C) walls of guard cells.
D) epidermal trichomes.
E) phloem.
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biobio
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