QUESTION
James Watt ने steam engine में सुधार कर किस energy source को more efficient बनाया?
James Watt improved the steam engine and made which energy source more efficient?
CORRECT ANSWER
A
Steam power / Steam power
EXPLANATION INSIDE
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Step 1: concept पहचानें: यह industrial technology है। Step 2: Improved steam engine factories and transport के लिए अधिक useful power source बना। Step 3: James Watt को...