Under most conditions, groundwater moves .
A) only between rainstorms by drainage
B) very little as most of it is stagnant and all at a single level
C) very quickly as it flows predominantly in open cavernous underground rivers
D) at slow but variable rates generally less than a few metres per day

Question

Quizplus · Accepted Answer

Groundwater typically moves at slow but variable rates, often less than a few meters per day, due to the permeability of the soil and rock formations it moves through. This slow movement is influenced by the porosity and permeability of the geological materials, as well as the hydraulic gradient.

Under Most Conditions, Groundwater Moves