1
What percentage of plastic produced globally is recycled?
50%
25%
2%
9%
2
How long, on average, does plastic take to decompose in the environment?
500 years
255 years
50 years
100 years
3
Which of the following materials is considered biodegradable?
PVC
Polyethylene
PLA (polylactic acid)
4
Which of the following is an effect of plastic in the oceans?
Pollution and ingestion by marine animals
Increased biodiversity
Improved water quality
5
What is microplastic?
Small plastic particles, typically smaller than 5 mm
Plastic in large quantities
Recyclable plastic
