B. He improved the steam engine, allowing it to be used in many
industries
Explanation:
- The first steam engine was built in 1698, and by the time Watt was born, the machines, perfected by Thomas Newcomen, were already pumping water from mines throughout the country.
- Sometime around 1764, Watt was given a model of the Newcomen machine to repair it.
- Realizing that it was impossible to repair her, he began to work to improve it.
- He added a separate condensation chamber that prevented excessive steam loss. He patented a new, improved model of a steam engine in 1769.
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Answer:
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Answer:
The correct answer is A
Explanation:
The chief legislator has the power of signing a law or vetoing it. The later case would occur when the Chief Legislator rejects the passing of a bill.
The dynasties created gunpowder, porcelain, and paper currency which would benefit the economy. Politically, people were able to move around the empires, many cities gained a higher population, thus leading to a social advancement.
Answer:
The Greeks sank about 300 Persian vessels while losing only about 40 of their own. The rest of the Persian fleet was scattered, and as a result Xerxes had to postpone his planned land offensives for a year, a delay that gave the Greek city-states time to unite against him. The Battle of Salamis was the first great naval battle recorded in history.
Explanation:
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