Mountains, valleys, rivers, lakes, and canyons
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C. Using a specific model to prove the earth moving around the Sun.
Answer:Explanation: Humans will and can never be be perfect because at the end of the day we will make mistakes. the fact that we can form opionions means that there will always be 2 opposing groups and when that happens we will never acheive perfection because in the eyes of one group it can be better.
Answer: Missouri, Kentucky, West Virginia, Delaware, and Maryland.
Explanation:
