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The ridge of till is called "terminal moraine". Letter c). The terminal moraine is a type of moraine that mark the maximum advance point of the edge of a glacier.
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B is the answer
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Cultural imperalism is the answer
Answer:
Labor unions give workers the power to negotiate for more favorable working conditions and other benefits through collective bargaining. Union members earn better wages and benefits than workers who aren't union members. On average, union workers' wages are 28 percent higher than their nonunion counterparts.