Carbon monoxide is a pollutant, which causes
(A) Respiratory disease (e.g. asthma)
(B) Asphyxiation (suffocation) leading to death
(C) Retardation in crop growth
(D) Damage to building materials like marble
(A) Respiratory disease (e.g. asthma)
(B) Asphyxiation (suffocation) leading to death
(C) Retardation in crop growth
(D) Damage to building materials like marble