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:
Experienced an enormous increase in productivit
Answer:
One long term effect was the population decrease. Once populated villages and towns were left to rubble and ruins after the black death hit. Large, working expanses of land were left to deserted wilderness, crops were left to rot in the ground, and cattle were left to roam around until they perished.
Explanation:
Answer/Explanation
The US sought to defend its eastern border from attack and drive Spain from power in the Americas.
