Which one of the following sets forms a biodegradable polymer?
- A$CH_2=CH-CN$ and $CH_2=CH-CH=CH_2$
- B$H_2N-CH_2-COOH$ and $H_2N-(CH_2)_5-COOH$
- C$HO-CH_2-CH_2-OH$ and $HOOC-C_6H_4-COOH$
- D$CH_2=CH-CH=CH_2$ and $C_6H_5-CH=CH_2$
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Which of the following statements are correct?
$(1)$ Biodegradable polymers can be converted into essential life substances after degradation.
$(2)$ Non-biodegradable polymers are active towards environmental processes.
$(3)$ Non-biodegradable polymers can be converted into essential life substances.
$(4)$ $PHBV$ is degraded by bacteria under environmental conditions.
$(1)$ Biodegradable polymers can be converted into essential life substances after degradation.
$(2)$ Non-biodegradable polymers are active towards environmental processes.
$(3)$ Non-biodegradable polymers can be converted into essential life substances.
$(4)$ $PHBV$ is degraded by bacteria under environmental conditions.
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