Public opinion polls: select all that apply.

a. politicians understand how their constituents wants them to vote on health care.

b. let pollsters predict how people may vote in an upcoming election.

c. may result in people changing their minds about an issue.

d. determine who will be elected in the next year.

e. indicate if people approve of their elected officials.

Public opinion polls let pollsters predict how people may vote in an upcoming election, may result in people changing their minds about an issue and indicates if people approve of their elected officials.

Option B, C & E

Explanation:

Public opinion polls are in simpler terms the survey, research or a poll which is done by mostly the officials who are related to the polls to know the opinion of the public who live in that area where the research or the survey has been done.

This helps us to know what the mind set of the people of that area have and to choose the officials which they want to come in power and to govern their area and represent their areas.