Examlex
Tracy was involved in a study of open field behaviour in rats. She and two of her colleagues all had to score the movement of a rat in the open field to be sure they all got similar results. They are testing their
Groundwater Divide
An area elevated between two groundwater basins, directing the flow of subsurface water in opposite directions.
Hydraulic Gradient
The slope or gradient of the water table.
Water Table
The upper level of an underground surface in which the soil or rocks are permanently saturated with water, marking the boundary between the unsaturated zone above and the saturated zone below.
Septic Tank
A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater flows for basic treatment.
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