Disposal of addition polymers
1 mark · EasyState why addition polymers such as poly(ethene) are considered non-biodegradable.
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They cannot be broken down by bacteria or micro-organisms in the environment.
Also accept: They do not break down naturally in the environment.; Bacteria cannot decompose addition polymers.
Common mistakes: They dissolve in water.; They are toxic.
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Marking points
B1 · 1 mark · States that addition polymers are non-biodegradable because bacteria or micro-organisms cannot break them down.
Worked solution
Addition polymers are non-biodegradable because they cannot be broken down by bacteria in the environment.