A medium of inter-departmental communication is? by Sunday | Apr 4 | Commerce WAEC | 0 comments A. intercom B. notice board C. radiophone D. circular Correct Answer: Option D – circular Users Also Read These:A ray of light travels obliquely from a less dense…The advertising medium that makes only audio impression is?Before the advent of legal tender and credit…The refractive index of a given transparent medium…Plasticine is an art medium that can be used in place of?