WAEC - Chemistry (2001 - No. 36)
Waste plastics accumulate in the soil and pollute the environment because plastic materials are
insoluble in water
non-biodegradable
easily affected by heat
inflammable
स्पष्टीकरण
The bonds between the molecules in plastic are very strong, so microorganisms can't break them down.Thus, they are non-biodegradable.