Definition, Location, Example
The Corn Belt,is an area in the midwestern United States, roughly covering western Indiana, Illinois, Iowa, Missouri, eastern Nebraska, and eastern Kansas, in which corn and soybeans are the dominant crops ("Corn Belt Region").
D. Plateau
I'm sure there are no more.
Hope that helps! c:
<em>Answer:-</em>
<em>Working slowly over many years, ground water travels along small cracks. The water dissolves and carries away the solid rock gradually enlarging the cracks, eventually forming a cave. Ground water carries the dissolved minerals in solution. The minerals may then be deposited, for example, as stalagmites or stalactites.</em>
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Free-enterprise economy
A, B, and C will hurt an underdeveloped nation. D would help the nation strive into becoming an first would country. The question is asking what will not hurt an underdeveloped nation.