13 1 Point ___ states that the velocity of ground water equals permeability multiplied by hydraulic gradient. Darcy's law Einstein's equation Newton's Law Steno's principle Question 14 1 Point The hydraulic head is defined as __. the elevation of the water table the pore fluid pressure the velocity of water flow the slope of the water table elevation plus pore fluid pressure at a given point Question 15 1 Point Gasoline leaking from an underground storage tank will __. evaporate entirely to the atmosphere sink past the water table to mix with ground water infiltrate to the top of the water table, on which it will float sink to the bottom of the saturated zone without mixing remain trapped in the soils around the tank Question 16