Water vapor is the name of a common greenhouse gas containing only hydrogen and oxygen.
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The most direct way nationalism caused World War I was through the assassination of Archduke Franz Ferdinand, who was the heir to the throne of the Austro-Hungarian Empire. ... Thus, nationalist movements broke out across the Slavic territories. Among the most militant nationalists were the Serbs.
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Excuse me but B and C isn't marked but your answer is A, Western Europe highest tax rate is 57% while US has max of 38%