naj9v2lynmick naj9v2lynmick
  • 15-01-2017
  • Health
contestada

Clean, safe water and improved sanitation have contributed to which of the follow?
a. the control of infectious disease.
b.better government social control.
c.better studies of the population's drinking habits.
d.cancer-causing microorganisms.

Respuesta :

juliacastanza105
juliacastanza105 juliacastanza105
  • 15-01-2017
the answer is A !!!!!!!!!!!
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