Question

advertising is the

a buying of products or services for personal use

b offer to repair or replace a product if there is a problem

c public promotion of a product or service

d use of useless medical treatments or products

Explanation:

Advertising is the public - facing promotion of a product or service to attract customers. Option A describes consumption, B is a warranty, and D is an unrelated medical - related concept.

Answer:

C. public promotion of a product or service