In Maglev, superconducting magnets suspend a train car above a U-shaped concrete guideway. Like ordinary magnets, these magnets repel one another when matching poles face each other. ... Here, both magnetic attraction and repulsion are used to move the train car along the guideway
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1 Interest groups deal with social and industrial issues. 2 Immigrants are people who migrate from their native Country to live in another Country. 3 Political action committees deal with internal issues of the political party.
Answer: Focus groups
Explanation:
A focus group involves a gathering of people whom are deliberately selected to take part in a discussion intended to know their opinion regarding certain topics or area of interest. Such discussions are usually held in environments that are non-threatening. A focus group encourages members to influence and interact with each other during the consideration and discussion of ideas. In this scenario, in order to increase the attendance during games, a moderator was hired to lead informal discussions with about 6 to 19 fans in order to know what they like and dislike about the baseball team.