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Suggest measures to control air pollutio...

Suggest measures to control air pollution.

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(a) Tall chimneys and electrostatic precipitators should be installed in factories so that harmful emissions do not affect people directly.
(b) Unleaded petrol should be used in vehicles to avoid the emission of lead.
( c) Cleaner fuels such as natural gas, improved appliances and good ventilation should be used inside homes.
(d) More and more trees should be planted to absorb the carbon dioxide from the air.
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