What did researchers find after analyzing 30 years of demographic data regarding the placement of hazardous waste facilities in the United States?
A
occasional instances of facility placement in low-income areas with high populations of people of colorB
a consistent pattern of facility placement in low-income areas with high populations of people of colorC
frequent instances of facility placement in high-income areas with a range of diverse populationsD
an equal distribution of facility placement in high-income and low-income areas with diverse populations