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Question 19: A. much of it plastic that can take hundreds of years to break down B. the majority of which is non-biodegradable and persists...

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Question 19: 

A. much of it plastic that can take hundreds of years to break down

B. the majority of which is non-biodegradable and persists for centuries

C. mostly consisting of synthetic materials that never disappear

D. with a large portion being plastic which will dissolve in decades

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