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There is a relationship between your blood type and your nationality. Among Europeans and people of European ancestry,about 42 percent have type A while 45 percent have type O.The rarest is type B. Other races have different percentages.For example, some American Indian groups have nearly 100 percent type O.
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Although thousands of people have been killed by sudden eruptions, volcanoes also benefit man, Tin, tungsten, gold and other metals have been brought closer to the earths surface.Chemicals in the ash have enriched farmland. When solid, lava is agood building material. And in Italy, steam from active volcanoes supplies heat and power to surrounding areas.
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