Which of the following is not an example of a natural biodegradable polymer?
A. Collagen
B. Polyvinyl alcohol
C. Lignin
D. Natural rubber
Answer:B
Which of the following is not an example of a natural biodegradable polymer?
A. Collagen B. Polyvinyl alcohol C. Lignin D. Natural rubber
Explanation: Collagen, natural rubber, lignin etc are some of the examples of natural