Answer:
members of the House are elected every two years, whereas senators are elected for six-year terms. ... Senators are at least thirty years old and citizens for nine years. Another difference is who they represent. Senators represent their entire states, but members of the House represent individual districts.
A Senator represents his or her state for a six-year term. A Representative, on the other hand, serves for a two-year term. Age and citizenship requirements are different for Senators and Representatives.
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4 because that started the unions hatred of the south
Making a decision at the margin is possible only in situations where:
Option 'b'. the available opportunity costs are unclear or complicated
Economists use a decision at the margin to help them analyze many factors, where the marginal value can be very high, very low or in between. They consider if the marginal benefit is greater than the marginal cost.