Explanation:
this was a two part fraud conducted from 1865 to 1867 by the union pacific railroad and the credit mobilier of American construction company
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events
After the Versailles treaty, following the defeat of Germany in WWI, East prussia was left as a Germany exclave, separated completely from the main country by the Polish corridor. This caused isolation in the people from East Prussia, because moving through their own country now required from them a Polish Visa or pass feared and rigorous inspections.
The limits was that testing could only occur underground for nuclear weapons testing.
The limits agreed to by the United States, the Soviet Union, and the United Kingdom regarding nuclear weapons testing in 1963 were that testing could only take place underground and that it could not take place underwater, in the atmosphere, or in outer space.
This was due to the fact that the explosions could be contained and no radiation was released into the atmosphere due to nuclear weapons. It was forbidden to do it outside, in water, or in outer space. They were only allowed to test underground to ensure that the tests were safe for the rest of the world. Examining earthquakes now can reveal whether tests are being conducted without the public's knowledge.
Learn more about nuclear weapons here-
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Answer:
20%
25%
80%
Explanation:
The percent decrease is 20%. The percent decrease is 25%. The percent decrease is 80%.