Why is carbon dioxide fixation decreased in some C3 plants?

1.	Why is carbon dioxide fixation decreased in some C₃ plants?
A.	Phosphoglycerate formation
B.	Unavailability of RuBP
C.	Oxygen binds to RuBisCO
D.	Oxygen binds to RuBP
Answer» D. Oxygen binds to RuBP

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