Discussion
Match the following and select the correct answer from the codes given below :
| Method of Waste Management | Process |
|---|---|
| (a) Sanitary landfill | (i) Removal of larger particles |
| (b) Incineration | (ii) Conversion of waste into usable items |
| (c) Recycling | (iii) Burning of waste |
| (d) Sedimentation | (iv) Burying below earth surface |
Answer: C
The match is a-iv, b-iii, c-ii, d-i.
- Sanitary landfill: burying waste below the earth's surface in engineered, lined cells covered with soil.
- Incineration: burning waste at high temperature.
- Recycling: converting waste into usable items.
- Sedimentation: removal of the larger, settleable particles from water.
Option B also starts with landfill as burying, but it pairs incineration with removal of particles and recycling with burning, which are wrong. Options A and D get landfill wrong as well.
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