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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Answer:
The flag was changed to a British Blue Ensign with a red circle, green pentagram and crown centre right.
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Answer:
they gained California which is next to the pacific ocean we now have "from sea to shining sea".
Answer:
"How to Observe Morals and Manners (1838)."
Explanation:
Describes how to observe behavior when one is a participant in the sit is being studied
D. Finance minister (sergei witte)