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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Because it’s first hand information
Northern states saw slavery as cruel and agianst humanity. Southern states saw slavery as the economic backbone of their economy and felt it was necessary.
Offset newspaper printing machines<span> are used for the production of </span>newspapers<span>, supplements and leaflets. Each </span>machine<span> is assigned a specific format. Multi web-paths allow variable numbers of pages.</span>
