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Class 12BiologyMicrobes in Human WelfareMicrobes in Sewage Treatment
Medium

Primary treatment is the

  • A
    Physical removal of large and small particles from sewage
  • B
    Biological removal of large and small particles from sewage
  • C
    Both $(a)$ and $(b)$
  • D
    Chemical removal of large and small particles from sewage
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Class 12 Questions

Class 12

Biology Questions

Chapter

Microbes in Human Welfare

Subtopic

Microbes in Sewage Treatment

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