Not definitely sure, but maybe a loyalist.
The correct answer is C) The middle United States has fewer changes in elevation than the Western United States.
<em>The sentence that correctly compares the middle of the United States to the Western United States is the middle United States has fewer changes in elevation than the Western United States. </em>
The Midwest U.S. lies from the Appalachians and the Rocky Mountains until Ohio River. It comprises states such as North and South Dakota, Illinois, Nebraska, Kansas, Minnesota, Iowa, Missouri, Wisconsin, Indiana, Michigan, and Ohio. The Western U.S. is considered west the Great Plains and comprises the states of California, Oregon, Washington, Nevada, Arizona, Idaho, Montana. New Mexico, Utah, and Wyoming. Comparing the two regions, the middle United States has fewer changes in elevation than the Western United States.
Since nobody learned what you learned you're going to have to do this one on your own sorry :/