The value for ψ in root tissue was found to be -1.6 bars. if you place the root tissue in a 0.1 m solution of sucrose at 20°c in an open beaker, what is the ψ of the solution, and in which direction would the net flow of water be? (hint: remember your formula: ψs = -icrt & your pressure constant, r = 0.0831 liters bars/ m k)

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.