deaulisellex deaulisellex
  • 23-02-2017
  • Biology
contestada

Primary treatment in a sewage treatment plant is _________.
a. using microorganisms to treat the water
b. returning the water to a river
c. using chemicals to treat the water
d. removing solids from the water

Respuesta :

NlmbHerbo NlmbHerbo
  • 23-02-2017
Primary treatment in a sewage treatment plant is
removing solids from the water
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