The plastic material used to make transparent throw-away drinking cups and disposable coffee cups is
A. polyvinyl chloride.
B. polystyrene.
C. polyethylene.
D. bakelite plastic.
Answer:B
The plastic material used to make transparent throw-away drinking cups and disposable coffee cups is
A. polyvinyl chloride. B. polystyrene. C. polyethylene. D. bakelite plastic.