Which of these units of government is most likely to regulate water systems, cemeteries, hospitals, sewers, fire protection services, and schools?

Special Purpose Districts are likely to most likely to regulate water systems, cemeteries, hospitals, sewers, fire protection services, and schools.

These special purpose districts are given power by state (local) law to meet the demands and/or needs of citizens.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.