Question

cheapest method of mass communication​

Answer 1

Answer:

radio

Explanation:

When it comes to mass communication, radio is cheapest, but it is easily ignored by listeners and will reach only a fraction of the population.

Answer 2

Answer:

answer

Explanation:

newspaper is the cheapest means of communication . but radio is also one of the cheapest means of communication because when any person purchase radio then he /she put cell in the radio and use it of many years