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Question

A mobile making company pledged to discard all the old phones manufactured by them earlier, they offered their customers to return the old phones and get some rewards in return. Company is aiming to replace the old useless parts of mobile phones without harming the environment.

The most environment friendly and sustainable way of disposing of old mobile parts is to

A
incinerate
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B
dump them in landfills
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C
recycle them
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D
dump them openly
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Solution

The correct option is C recycle them
Discarded electronic items like old mobiles, batteries, TVs etc. are considered as e-wastes or electronic wastes. These wastes are hazardous as they contain toxic chemicals which can be potentially harmful to human health and the environment. The most workable and environmentally friendly way of disposing of e-wastes is recycling. Electronic items can be recycled to extract important metals or other parts which can be used in the manufacturing of new electronic products. Recycling needs to be done in proper facilities so that humans do not have any risks of being exposed to the toxic chemicals present in them.

Incineration refers to burning the wastes in enclosed incinerators at very high temperatures. This often leads to heavy air pollution due to the released smoke (release of toxic gases into the air and toxic compounds into the soil).

Burying the electronic wastes in a sanitary landfill may pollute the soil with toxic chemicals which are released from them.

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