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Class 12BiologyEnvironmental IssuesMix Example-Environmental Issues
Easy

Domestic sewage mainly contains $A$ wastes which are readily decomposed with the help of $B$. Here $A$ and $B$ refer to:

  • A
    $A-$inorganic; $B-$bacteria
  • B
    $A-$biodegradable; $B-$decomposers
  • C
    $A-$chemical; $B-$microorganisms
  • D
    $A-$synthetic; $B-$bacteria
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Class 12 Questions

Class 12

Biology Questions

Chapter

Environmental Issues

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Mix Example-Environmental Issues

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