Ernest Rutherford contributed to the atomic theory by discovering that the atom is mostly empty space.
He can to that conclusion because he fired alpha particles at gold foil, which was so thin that it was only around .00004 cm thick, and while almost all shot straight through, some actually bounced back!
He likened it to shooting a 15-inch round(bullet) at tissue paper, only to have it bounce right back at you! Based on this, he theorized that the atom is mostly empty, which is why a majority of the particles passed right through, but in the very center of the atom there is a super-dense structure called a nucleus that held a majority of the atom's mass. This super-dense mass would be more than massive enough to deflect the particle, should they collide.
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d. restrain Republican opposition to the Federalist administration
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Deer Creek is an important site because it provides evidence that trades occurred between a French in the Wichita in Oklahoma territory hundreds of years ago. archaeologist found Buffalo remains and scraping tools in the middens of trash heaps all the site as well as European manufacturer items such as beads,kettles,metal tools and gun parts based on these artifacts archaeologists believe that the site was used for meat processing.
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<span>Hagia Sophia is a Greek Orthodox Christian patriarchal basilica, later an imperial mosque, and now a museum in Istanbul, Turkey.</span>
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Signs were used to indicate where non-whites could legally walk, talk, drink, rest, or eat. The U.S. Supreme Court upheld the constitutionality of segregation in Plessy v. Ferguson (1897), so long as "separate but equal" facilities were provided, a requirement that was rarely met in practice.
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The doctrine was overturned in Brown v. Board of Education (1954) unanimously by the Supreme Court under Chief Justice Earl Warren, and in the following years the Warren Court further ruled against racial segregation in several landmark cases including Heart of Atlanta Motel, Inc. v. United States (1964), which helped bring an end to the Jim Crow laws.