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UkoKoshka [18]
3 years ago
12

Who was the original inventor of colored television? When was colored television invented?

History
1 answer:
Lera25 [3.4K]3 years ago
8 0

Answer:

Polish inventor Jan Szczepanik patented a color television system in 1897, using a selenium photoelectric cell at the transmitter and an electromagnet controlling an oscillating mirror and a moving prism at the receiver

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B.  

It could result in melting ice caps, causing sea levels to rise.

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What was true of the Open Door policy toward China in 18997
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The most significant changes in the late 18th and early 20th centuries. 12 points.
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Politics

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The most significant change in the late 18th and early 20th centuries is POLITICS.

This is evident in the major events that occurred and shook or change the world during this period.

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Similarly, World War 1 in 1914, changed the course of action in the 20th century, as nations formed alliances, enemies, change style of government, and many more.

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20. Which of the following best describes the effects of imperialism on the culture of Africa south of the Sahara?​
umka21 [38]

Answer:

Imperialist threatened traditional cultures by placing new political boundaries over former tribal lands

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What territory wanted to join the union in 1819 causing an imbalance f free and slave states?
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