Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm) ?
(A) Benzopyrene
(B) Peroxyacetyl nitrate
(C) Carbon monoxide
(D) Sulphur dioxide
Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm) ?
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