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Human Health and Disease — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease1 Mark
MCQ
Reason of lung cancer is:
  • A
    Coal mining.
  • B
    Calcium fluoride.
  • C
    Cement factory.
  • D
    Bauxite mining.
✓

Answer

  1. Cement factory.

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