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  3. 8th Class
  4. Social Science

8th Class Social Science Sample Paper Social Science Sample Paper - 7

  • question_answer
                                                                                                                                        Mention the two technological innovations which revolutionized cotton production.

    Answer:

    (i) In 1764, the spining jenny was invented by James Hargreaves which increased the productivity of the traditional spindles.
    (ii) The invention of the steam engine by Richard Arkwright in 1786 revolutionized cotton textile weaving.                     


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