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The steam engine was invented by

  • A.James watt
  • B.Sir Joseph Swan
  • C.William stockes
  • D.J.E. Lundstrom

Answer: A

James Watt is credited with it.

Newcomen's engine already existed; Watt's separate condenser of 1765 cut its fuel consumption by three-quarters, and his rotary motion took steam from pumping water out of mines into driving machinery.

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