A medium of advertising that has the advantage of mass audience is? by Sunday | Apr 29 | Marketing WAEC | 0 comments A. Newspaper. B. Bill board. C. Radio D. Magazine Correct Answer: Option A – Newspaper Users Also Read These:Which of the following advertising medium appeals to…The refractive index of a medium relative to air is…A ray of light travels obliquely from a less dense…An advertising medium that practically demonstrates…The critical angle for light travelling from a…