Essential Chemistry for IGCSE - Polymers (Section 1 - No. 20)
Which two of the following are considered environmental problems with plastics?
They are biodegradable.
They release greenhouse gases upon burning.
They block the digestive systems of animals.
They can be recycled easily.
Vysvětlení
Plastics do not break down easily and can release harmful substances when burned; they also pose a risk to animals.