The four video illustrates the risk defined as a substance or human activity may result in adverse health effects for a given population. There are three main theoretical approaches to risk which are risk assessment, risk management and risk communication. We all know that risk communication is equal to social approach and general public and mass media play key role in social approaches. In another videoThere are mainly three principles. First one is to pay attention the indicators. Second one is we cannot change the public perception but we can change risk what they are based on. Moreover…