Disposal of addition polymers
3 marks · EasyThe table shows waste disposal methods for plastics in three cities.
| City | Landfill (%) | Incineration (%) | Recycling (%) |
|---|---|---|---|
| A | 60 | 10 | 30 |
| B | 40 | 35 | 25 |
| C | 25 | 20 | 55 |
Which city recycles the largest proportion of its plastic waste?
Name the city with the highest proportion of plastic waste sent to landfill.
State one environmental advantage of recycling plastics instead of incinerating them.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
(a) City C
(b) City A
(c) Recycling reduces pollution or saves resources; incineration produces harmful gases (e.g., CO2).
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Correctly identifies City C as the city with the highest recycling percentage.
B1 (b) · 1 mark · Correctly identifies City A as the city with the most landfill disposal.
B1 (c) · 1 mark · States a valid advantage of recycling over incineration (reduced pollution, less greenhouse gas, conserves raw materials).
Worked solution
a: City C recycles 55% of its plastics, the largest value.
b: City A sends 60% to landfill, more than any other.
c: Recycling saves resources and reduces air pollution from burning plastics.