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Subject :NSO    Class : Class 7

The leaves of the lily has a layer of wax on them to prevent water from collecting on them and cause it to drown. How then do they get the gases they need for breathing?

A They get the gases they need from the water they float on
B They breathe through the flowers they produce
C They do not need any gas to live
D They can move their leaves above the water regularly for gaseous exchange.


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