In 2014, the city of Flint, Michigan, began using the Flint River for drinking
water. The river water was highly corrosive because of the amount of salt and
chlorine that had been added to it. The water leached lead from pipes into the
drinking water. Based on the graph below, how would you expect the Flint
water supply to affect the local population?
Lead level versus violent crime
Average lead level in preschool child's
"blood, ug/dL
Violent crimes per 100,000 people
DO
1937 1942 1947 1952 1957 1962 1967 1972 1977 1982 1987
1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010
O
A. Adults who drank the water are likely to develop cancer within 23
years.
O
B. Children who drank the water are likely to become violent as
adults.
O
C. Adults who drank the water are likely to have mental illness as
senior citizens.
O
D. Children who drank the water are likely to become violent within a
year or two.
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