Question

a) What is landfill method of waste disposal?
b) Mention its disadvantage.

Answer 1

a) In the landfill method of waste disposal, a huge pit is made in an open low lying area, usually away from the places where people reside. The wastes is collected in huge trucks and dumped into the pits. Once the pits are full, they are covered with soil and left for decomposition.

b) The disadvantages of this method are:

• It requires a lot of space.
• The wastes dumped into the landfills contaminate the groundwater, making it unfit for consumption.