Synthetic polymers do not degrade in the environment for a long time. How can biodegradable synthetic polymers be made? Differentiate between biopolymers and biodegradable polymers and give examples of each type.

(N/A) Synthetic polymers are resistant to environmental degradation,leading to the accumulation of solid waste.
Biodegradable synthetic polymers are designed by incorporating functional groups similar to those found in biopolymers,such as aliphatic polyesters (e.g.,$PHBV$).
Biopolymers are polymers produced by living organisms. They may or may not be biodegradable. For example,$Protein$ and $starch$ are biodegradable,whereas $Keratin$ is non-biodegradable.
Biodegradable polymers are specifically designed to be broken down by microorganisms into simpler,non-toxic substances in the environment. An example is $PHBV$ (poly-$\beta$-hydroxybutyrate-co-$\beta$-hydroxyvalerate).