Answer:
The poisoned substance was mixed with arsenic-free zinc and sulfuric acid, resulting in arsine gas.
The gas was later ignited and decomposed into pure metallic arsenic. This test was highly sensitive and could detect even one-fiftieth of a milligram of arsenic. It was a remarkable discovery, since before that, arsenic was widely used as poison in enormous amounts of murders, impossible to detect and trace.
Explanation:
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You could say that he appealed to pathos. It's an appeal to emotion while ethos is to credibility. He used pathos to speak about sad things like secession and about the evils of slavery and why it should end. He didn't have to appeal to credibility because he was already the president so everyone knew why he was competent.
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Neither empire existed after the treaty of Versailles. The Austro-Hungarian empire was split up into its component parts of Austria, Hungary, Czechoslovakia, Yugoslavia, while also giving a significant chunk of land to Romania. ... Turkey was formed, and the Ottoman Empire was no more. I hope this helpz! :3