Gravity causes mass movement. Types of mass movement: landslides, mudslides, slump, and creep. The most destructive kind of mass movement is a landslide, which occurs when rock and soil slide quickly down a steep slope.
The lower levels of the pyramid must also grow-for more people to consumer higher-end items, there must be more people to make those items.
Trade arises as a result of the uneven distribution of resources and e<span>ffects of uneven distribution can cause inequality and a low standard of living for those such as the elderly and single mothers. I hope the answer will help you. Thank you for posting your question here at brainly. </span>
Answer:
A. increased; Great Migration
Explanation:
When the migration began, 90 percent of all African-Americans were living in the South. By the time it was over, in the 1970s, 47 percent of all African-Americans were living in the North and West. A rural people had become urban, and a Southern people had spread themselves all over the nation.
A. high wages
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