A characteristic of public opinion is that it is

Public opinion refers to the views, attitudes, and beliefs of a particular group or the general public on a particular issue. A characteristic of public opinion is that it is dynamic, which means that it is subject to change over time in response to new information, events, and experiences. Public opinion is influenced by various factors such as political, social, economic, and cultural factors, and it can have a significant impact on the decisions and actions of governments and policymakers. Therefore, it is important for policymakers to be aware of public opinion and to take it into consideration when making decisions.