In the East part of the area in the Investigation would one most likely find uncontaminated groundwater.
Uncontaminated is a term that connote the surface water or groundwater that does not have sediment or any kind of pollutants or contaminants that is said to be above natural background levels .
Here, they do not have pollutants or contaminants in levels that are said to be greater than City-supplied drinking water when seen as potable water and the region in this case is the East part.
See options below
A. north
B. east
C. south
D. west
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