Answer:
(a) I would explain Ramesh that burning of petroleum causes
more pollution than CNG (Compressed Natural Gas). Therefore, mostly people and
bus drivers use CNG instead of petrol.
(b) Oxides of nitrogen and sulphur, i.e., and gases
are released into the atmosphere, after burning of petroleum.
(c) Inhalation of these gases is dangerous. It may causes
lung cancer, asthma, bronchitis, etc.
When these gases dissolve in water they become acid and
give rise to acid rain.
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