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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Religious and political conflicts diminished
Answer:
The “Reconstruction Amendments” passed by Congress between 1865 and 1870 abolished slavery, gave black Americans equal protection under the law, and granted suffrage to black men. ... The system of sharecropping allowed blacks a considerable amount of freedom as compared to slavery.
Answer:
The main reason was spreading Catholicism to Native Americans. Hope this helps!
Explanation:
Answer: Reduction in labor shortages(D)
Explanation:
Migration is the movement of people from one geographicsl area to another. It could be the movement of people from one country to another or from one state to another.
Migration can lead to the disagreement between different religious groups. Due to the influx of people into an area, there can be religious conflicts when the people share different opinions regarding their religion.
Migration can also lead to increase in the cost of health care. As there are more people in the state, there'll be more cases of sick people or people who need medical attention. Migration can also lead to overcrowding in cities because of the larger number of people.
Reduction in labor shortages is an advantage of migration. Migration means there'll be more labor supply and firms can employ the available workers. This will lead to labor shortages.
