题目
题目
单项选择题

Which would be classified as a natural polymer?

选项
A.Polystyrene
B.Cellulose
C.Polyester
D.Nylon
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标准答案
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思路分析
Question: Which would be classified as a natural polymer? Option 1: Polystyrene. This is a synthetic polymer made from the monomer styrene, typically derived from petrochemicals. It is manufactured in industrial processes and is not found naturally in living orga......Login to view full explanation

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