$X$ - There are two phases in sewage treatment plant.
$Y$ - Microbes are involved in this process.

  • A
    $X-Y$ False
  • B
    $X-Y$ True
  • C
    $X$ - True,$Y$ - False
  • D
    $X$ - False,$Y$ - True

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Which of the following is put into an anaerobic sludge digester for further sewage treatment?

Given below is the flowchart of sewage treatment. Identify $A, B, C, D$ and $E$ and select the correct option.

Select the correct statement from the following.

Where is biogas produced during sewage treatment?

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