When a person transmits a message to a large audience, he or she is using mass communication. Mass communication is one of the types of communication. With mass communication, the imparting and exchanging of messages happens in a wide range of audience. Examples of using mass communication is through the use of Internet, television and radio.
4 that is the answer to your question the sum is 13
Answer:
You need more information to find a good answer to that
Explanation:
Maybe include more info
Smoking, littering, driving cars, not recycling