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B

Step-by-step explanation:

1/2(6+2)3

1/2(8)3

1/2(24)

12 cm ^2

b) 12cm²

hope this is correct if wrong sorry

hope this helps you☺️☺️

water molecules will move from the side of higher water concentration to the side of lower concentration until both solutions are isotonic. at this point, equilibrium is reached. in an isotonic solution, the flow of water in and out of the cell is happening at the same rate.

hope this < 3

equal to

step-by-step explanation: