9th Class Science Natural resources Question Bank 9th CBSE Science Natural resources

  • question_answer
      Give the names of a few organisms that help in nitrogen fixation.

    Answer:

                      (i) Burning of fossil fuels like coal and petroleum. (ii) Industrialisation. (iii) Deforestation, due to which the utilisation of atmospheric CO2  during photosynthesis is reduced to a great extent because of the reduction in the number of plants.


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