Final answer:
There are various reasons why a license may become inactive, including failure to meet continuing education requirements, unethical or illegal behavior, or voluntary non-renewal.
Step-by-step explanation:
There are several reasons why a license may become inactive. One reason is if the license holder fails to meet the continuing education requirements set by the licensing board. Another reason is if the license holder engages in unethical or illegal behavior that violates the rules and regulations of the profession. Additionally, a license may become inactive if the license holder voluntarily chooses not to renew it.