A major characteristic of public opinion is that it is

Step 1: Analyze the question The question asks for a major characteristic of public opinion. Public opinion means the collective views of citizens on issues of public concern, such as government policies, elections, or social matters.

Step 2: Explain the concept Key characteristics of public opinion include:

• It is dynamic: it changes over time as new information, events, and experiences shape people's views.
• It is formed through the media, education, family, pressure groups, and political parties.
• It is not uniform: different groups hold different views.
• It can be expressed through voting, protests, opinion polls, and petitions.

Step 3: Evaluate the options

• A. Aggressive: Public opinion can be calm or forceful, so aggression is not a defining trait.
• B. Dynamic: Correct. Opinions shift with changing circumstances, such as a government's performance, economic conditions, or new information.
• C. Negative: It can be favourable or unfavourable, so it is not always negative.
• D. Positive: Likewise, it is not always positive.
• E. State: Public opinion is not a state; it is a social phenomenon among citizens.

Step 4: Answer The correct answer is B. dynamic.

Exam tip: In Government questions on public opinion, look for words like "changing," "dynamic," or "fluid." Public opinion is never fixed. Remember: Public opinion keeps moving, just like public mood.