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North American Tectonic plates
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Labor Day is a federal holiday in the United States celebrated on the first Monday in September to honor and recognize the American labor movement and the works and contributions of laborers to the development and achievements of the United States. It is the Monday of the long weekend known as Labor Day Weekend.
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D. they showed that organic molecules such as amino acids could be produced from inorganic molecules
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I do know alot about Geography i am sure that is physical map. hope i helped
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