Groundwater ________.
A)does not affect the porosity of the rock and sediment through which it flows
B)uniformly increases porosity because of the dissolution of grains
C)uniformly decreases porosity because of the deposition of minerals into pores
D)may increase or decrease porosity through dissolution or deposition

Question

Quizplus · Accepted Answer

Groundwater can both dissolve and deposit minerals, leading to an increase or decrease in porosity depending on local geologic conditions. Therefore, option D is the correct answer.