Ametal is made from copper, zinc and led in the ratio 13: 6: 1. the mass of the zinc is 90kg. calculate the mass of the metal

- "it was a failure that was an embarrassment for the kennedy administration."

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world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation:

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c. free trade can lead to low pay for workers in poorer countries.