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Wastewater Story — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceWastewater Story1 Mark
MCQ
In sewerage, manholes are located at every
  • A
    20-25 m
  • ✓
    50-60 m
  • C
    90-100 m
  • D
    100-110 m
✓

Answer

Correct option: B.
50-60 m
B

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