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Sources of Waste — BIOLOGY STD 9 — Question

ICSE BoardEnglish MediumSTD 9BIOLOGYSources of Waste1 Mark
MCQ
Biodegradable pollutant is
  • A
    plastic
  • B
    asbestos
  • ✓
    sewage
  • D
    mercury
✓

Answer

Correct option: C.
sewage

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