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Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat , kinetic or mechanical energy, light, potential energy , electrical, or other forms.
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Answer:
Histograms are common, as are frequency polygons. Frequency polygons are a graphical device for understanding the shapes of distributions. They serve the same purpose as histograms, but are especially helpful in comparing sets of data.
Answer:
The Korean War was the first militarized instance of containment, as U.S. and South Korea fought against communist North Korea.
Key Points
In June 1950, North Korean troops surged across the border into South Korea, triggering the first major confrontation between the forces of the communist and non-communist worlds.
The Korean War was the first time the policy of containment spread outside the initial Asian defense perimeter as defined by the U.S. Secretary of State.
The success of the Inchon landing inspired the U.S. and the United Nations to adopt a rollback strategy to overthrow the Communist North Korean regime, which was later revoked after the Chinese Army intervened.
The cease-fire armistice that resulted from the Korean conflict divided Korea into a Communist northern state and a republican southern state, with a demilitarized zone between the two territories that remains to this day.
Currently, American troops are still stationed in South Korea.
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Answer:
President Herbert Hoover dedicated the Empire State Building on May 1, 1931
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