Answer:
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Explanation:
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<em>Thomas Alva Edison was an American inventor and businessman who has been described as America's greatest inventor. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. </em>
<em>Edison is credited for contributing to various inventions, including the phonograph, the kinetoscope, the dictaphone, the electric lamp (in particular the incandescent light bulb), and the autographic printer. He also greatly improved the telephone by inventing the carbon microphone.</em>
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Answer:
In 1803, Marbury v. Madison was the first Supreme Court case where the Court asserted its authority for judicial review to strike down a law as unconstitutional. ... As of 2014, the United States Supreme Court has held 176 Acts of the U.S. Congress unconstitutional.
Explanation:
Raw material discounts
Reduction of unit cost
Specialists
Better production methods
ALL 4
Answer:
It became the most important food crop in the Americas. They separate coastal plains near the Pacific Ocean from broad eastern plains that sweep toward the Atlantic Ocean.
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