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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:
The youngest to become president by election was John F. Kennedy, who was 43 year
Explanation:
The oldest person to assume the presidency was Donald Trump, at the age of 70 years
Answer:
Well they have created Water Wheels, Cranes, Theater's, and The Lever
Explanation:
The Greeks have helped our planet in many ways. From entertainment, to a functioning light switch, all the way to constructing skyscrapers.