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प्रश्न
______ is the cheapest method of waste disposal.
पर्याय
Open dumping
Sanitary landfill
Incineration
Recycling
MCQ
रिकाम्या जागा भरा
उत्तर
Open dumping is the cheapest method of waste disposal.
Explanation:
In the open dumping method, waste materials are dumped in open lowlands far away from the city. This method is not environment friendly. However, this is the cheapest method and does not need much planning.
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