10th Class Social Science Work, Life and Leisure Question Bank 10th CBSE Social Science Work, Life and Leisure

  • question_answer
      How did the development of cities affect the ecology and the environment?

    Answer:

                      (i) Large quantities of refuse and waste products polluted the air and water, while excessive noise became a feature of urban life. (ii) In industrial cities, hundreds of factory chimneys released black smoke into the skies. (iii) Shopkeepers, homeowners and others complained about the black fog that descended on their towns causing bad tempers, smoke-related illnesses and dirty clothes.


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