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  • Which of the following pollutants lower the capacity of b...
Multiple choice

Which of the following pollutants lower the capacity of blood cells to transport oxygen?

  1. Carbon dioxide

  2. Hydrogen sulphide

  3. Sulphur dioxide

  4. Carbon monooxide

  5. Vapours of acids and alkali

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Carbon monooxide is a poisonous gas which lowers the capacity of blood cells to transport oxygen and it can be fatal too.

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