(a) To absorb carbon (IV) oxide;
(b) to provide moisture to germinating seeds;
(c) (i) (Left – right direction );
(ii) Oxygen in the tube is taken up by the seeds for germination; the Carbon (IV Oxide
Produced during respiration and the one in the tube reacts with potassium hydroxide
pellets; lowering the pressure inside the set-up; the higher pressure from outside the tube
forces the dye in the direction shown
d)water
marto answered the question on October 7, 2019 at 09:26
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