Answer:The coal-fired steam engine was in many ways the key technology of the Industrial Revolution. Steam power was first used to pump water out of coal mines by Thomas Newcomen, who invented the first steam engine that truly worked in 1712. ... Watt had taken Newcomen's design and improved upon it.
Explanation:
The answer for this question is B
Answer:
Relative genotype frequency and relative allele frequency
Explanation:
He took control of Eastern Europe. hop this helps! ;)
Answer:
Chinese Civil War, (1945–49), military struggle for control of China waged between the Nationalists (Kuomintang) under Chiang Kai-shek and the Communists under Mao Zedong. The end of World War II and the collapse of the United Front
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