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.
Answer:
It helped provide income for the Virginia Company
Explanation:
Rember the Three R's Route, Riches, and Religion
Answer:
What was Commodore Perry's significant contribution to the beginning of Japan's transformation? He opened Japan to the West. Which similar challenge did China and Japan face following the Sino-Japanese War? Their isolation left them far behind Europe.
