President Andrew Johnson was the first president to be impeached.
During WWII, the tide turned on the Asian theater during the Battle of Midway.
Answer:
Some minerals in rocks and organic matter (e.g., wood, bones, and shells) can contain radioactive isotopes. The abundances of parent and daughter isotopes in a sample can be measured and used to determine their age. This method is known as radiometric dating.
Explanation:
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He expected help from British ships sent from New York, however the ships never arrived so he had no choice.