Stomatal opening and closing depends upon the turgidity and flaccidity of the guard cells surrounding the stomatal opening .... When co2is let in then H2O is let out due to transpiration process
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Vidyanjali answered this
I need its explanation and its two forms
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Anurag Bhardwaj answered this
There are two theories regarding this : 1:sugar ion concentration theory 2:k+ion concentration theory
