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Subject :NSO    Class : Class 3
Name of the component of air which is used by green plants to make their food?

Ans 1:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Carbon dioxide

Ans 2:

Anu Sharma from DPS Noida, Noida
Class : Class 2
photosynthesis

Ans 3:

Sivanthili.sivaganesh from kamalaniketan , Trichy
Class : Class 3
Carbon di oxide

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