Lead cadmium and mercury are all examples of water pollutants called:

06 Apr, 2025

প্রশ্ন Lead cadmium and mercury are all examples of water pollutants called:

  • ক.
    Metalloid
  • খ.
    Alkaline metals
  • গ.
    Heavy metals
  • ঘ.
    Alkaline earth metals

সঠিক উত্তর

Heavy metals

মন্তব্য

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