Question

______ is the cheapest method of waste disposal.

विकल्प

• Open dumping

• Sanitary landfill

• Incineration

• Recycling

Answer 1

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.