The presence of bacteria in water causes -

সাধারণ বিজ্ঞান
সাধারন বিজ্ঞান

প্রশ্নঃ The presence of bacteria in water causes -

  • ক. hardness
  • খ. alkalinity
  • গ. diseases
  • ঘ. bad taste

সঠিক উত্তরঃ

diseases
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