Select the correct option based on statements below:

Assertion (A): Most of synthetic polymers are not biodegradable.
Reason (R): The polymerization process induces toxic character in organic molecules.
  
1. Both (A) and (R) are true but (R) is not the correct explanation of (A).
2. Both (A) and (R) are true and (R) is the correct explanation of (A).
3. Both (A) and (R) are false.
4. (A) is true but (R) is false.