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(a) Write a note on e-wastes. (b) Write ...

 (a) Write a note on e-wastes.
(b) Write any two preventive measures of air pollution.

Text Solution

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(a) 1. E-wastes are irreparable computers and other electronic goods.
2. They are generated in the developed countries where certain metals like gold, nickel, silicon, copper etc, are recovered from them. 3. The recycling is done manually and licensed the workers are exposed to the toxic substances.
(b) 1. Use of electrostatic precipitators.
2. Use of scrubbers.
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