Observe the given diagram and select the possible reason for the movement of water through the Semipermeable membrane (SM) separating sides A and B:

(a) Addition of solute reduces the water potential in side A hence water moves from A to B: 

(b) Withdrawal of piston in side, B increases water potential hence water move from A to B. 

(c) Due to atmospheric pressure in side A, water potential becomes 0 and hence water moves from A to B. 

(d) Withdrawal of piston in side B decreases the water potential and hence water moves from A to B.

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