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(1) Co2 from atmosphere through diffusion stomata are responsible for this. 

(2) N2 is absorbed from soil in the form of nitrates and nitrites. Nitrogen fixing bacteria convert atmospheric nitrogen into these forms and roots are responsible for absorption.
1 1 1
be fst
Then u give me u r number na
i dont have any number
can u pls ans my questn
i hve exam today
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