How did james watt contribute to the industrial revolution?
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a. he invented a hotter furnace for extracting iron from ore.
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b. he developed a steam engine that could be used for
manufacturing
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c. he developed the theory of mass production in factories.
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d. he designed a method for cheaply producing electric lightbulbs.
submit

B)

Explanation:

Watt took the (steam engine) design of a man named Thomas Newcomen and made it much more efficient. ... This allowed steam engines to be used for something other than pumping water out of coal mines. Thus, Watt contributed to the Industrial Revolution by making steam power much more useful for driving machinery.

B. He developed a steam engine that could be used for manufacturing

Explanation:

James Watt improved the steam engine that already existed and paved the way for factories, mills, and mines using the steam engine. Until that moment, the steam engines were used to pump out water from coal mines, but the machines were very slow and less than reliable. James Watts improved the steam engine and used a separated condensing chamber that allowed the machine to work at the same time it condensed, he also insulated the cylinder to maintain the high temperatures that were needed.

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity