The change in water quality in Flint Michigan is caused by the city officials deciding to stop fully treating the water to save, i.e., option B.
Flint is the populus city in and the county seat of Genesee County, Michigan, in the United States. It is a metropolitan city in the Mid Michigan region, located along the Flint River 66 miles northwest of Detroit.
The change in water quality in Flint Michigan is caused by the city officials deciding to stop fully treating the water to save.
Thus, the correct option is B.
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