Which of the following will not cause an environmental pollution?
A
Noise from vehicles
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B
The Using of chemical fertilizers
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C
Improper disposal of sewage
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D
The Using of a CFC free refrigerator
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Solution
The correct option is D The Using of a CFC free refrigerator The noise from the horn and engines of the vehicles results in sound pollution. The use of extensive chemical fertilizers causes accumulation of these chemicals in the soil and leaching into the ground water. The runoff of these chemicals into water causes water pollution. The improper disposal of sewage results in water pollution. The use of CFC-free refrigerator does not cause any air pollution.