Question 21:
Name a waste gas released by the plants (a) only during the day time, and (b) only during the night time.
Lakhmir Singh Biology Class 10
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At Day time :-
______________
OXYGEN ( O^2 ) ....
At Night time :-
______________
CARBON DI OXIDE ( CO^2 ) ....
______________
OXYGEN ( O^2 ) ....
At Night time :-
______________
CARBON DI OXIDE ( CO^2 ) ....
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