What are ways you could effectively measure overall public opinion on the topic of immigration? select all that apply. gallup polls doing random phone surveys to ask how people are going to vote on a topic slicing out questions to ask people on the street asking questions on a blog researching and asking questions of certain demographics

Explanation:

Public opinion surveys are extremely important to understand social, political and economic issues, as they tend to reflect a population's opinion on the most diverse issues in their society. Public opinion polls are conducted at a time when it is important to measure the population's opinion on issues of national interest. when the goal is to measure global public opinion on the subject of immigration, it is best to do random telephone surveys to ask how people vote on a topic and ask questions about certain demographics, so it is possible to create statistic data that will show the response.

b) trade is easy because of the direct line between their major ports. bilateral trade reached 89,6 thousand million.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )