Answer:
Carbon
monoxide is highly poisonous in nature. It combines readily with haemoglobin (it
has 200 times more affinity than oxygen). Due to the formation of carboxy haemoglobin,
the quantity of oxygen to the body cells gets reduced, i.e., CO reduces the
oxygen carrying capacity of the blood and this leads to oxygen starvation (anoxia).
The deficiency of oxygen produces headache, dizziness, choking, cardiac
and pulmonary complications leading to paralysis and death.
\[C{{O}_{2}}\] does not combine with haemoglobin. However,
it is a greenhouse gas and helps in global warming. Hence, it is a less
dangerous pollutant.
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