Answer:
The
environmental consequences of wing fossil fuels are
(i) The air pollution caused by burning of coal or petroleum
products. (1/2)
(ii) The oxides of carbon, nitrogen and sulphur that are released
on burning fossil fuels are acidic oxides. These lead to acid rain which
affects our water and soil resources. (1)
(iii) The generation of greenhouse effect of gases like carbon
dioxide leading to global warming. (1)
Steps to minimise the pollution are
(i) The pollution caused by burning fossil fuels can be
reduced by increasing the efficiency of the combustion process and using
various techniques to produce the smokeless appliances.
(1)
(ii) The air pollution caused by burning of coal or petroleum
products can be reduced by afforestation. (1/2)
(iii) The planned and judicious use of energy can minimise
the pollution e.g., use of Liquid Petroleum Gas (LPG) as domestic fuel and Compressed
Natural Gas (CNG) in transportation vehicles. (1)
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