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M

Mr. Dubey • 100.64K Points
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Q. The presence of fluorides in drinking water helps in

  • (A) Preventing decaying of teeth
  • (B) Purification of water
  • (C) Reduces fungi formation
  • (D) Killing aerobic bacteria
  • Correct Answer - Option(A)
  • Views: 894
  • Filed under category Environmental Engineering
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