Final answer:
Under Coverage M, the insurer will pay all necessary medical expenses incurred within 90 days.
Step-by-step explanation:
Under Coverage M - medical payments to others, the insurer will pay all necessary medical expenses incurred within 90 days. This means that if someone gets injured and requires medical treatment, the insurer will cover the expenses as long as they are incurred within 90 days from the date of the incident. For example, if a person gets into a car accident and has medical expenses related to the accident, the insurer will cover those expenses if they are incurred within 90 days.