Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by

Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by
  1. storing them in underground storage tanks
  2. using them for producing biogas
  3. vermiculture
  4. using them directly as biofertilizers.

Solution

Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by using them in the generation of biogas. Biogas is a mixture of methane and carbon dioxide resulting from the anaerobic decomposition of such waste materials as domestic, industrial and agricultural sewage.

Asked in: NEET 2020 (Phase 2)

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