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

  • question_answer
      What is photochemical smog? And what are its effects?

    Answer:

                      (i) Rhizobium converts help in the fixation of atmospheric nitrogen into ammonia. (ii) Nitrosomonas converts ammonia to nitrates (iii) Nitrobactor convert nitrites into nitrates.


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