Which of the following must be true about perpendicular bisector and the segment it bisects? a. the perpendicular bisector and the segment bisect each other. b. the angle of intersection depends on the length of the line segment. c. the perpendicular bisector interests the segment at a 45 degree angle d. the perpendicular bisector intersects the segment at a 90 degree angle

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

answer: okw

step-by-step explanation:

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last graph i believe

step-by-step explanation:

worked it out i believe

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