12th Class Biology Sample Paper Biology - Sample Paper-6

  • question_answer
    While explaining global warming, teacher made a remark that now, it is the most serious threat to civilisation. Kalpana go curious about the various aspects of global warming and asked some questions from her teacher.
    (i) What is global warming and what are the various causes of global warming?
    (ii) What values are shown by Kalpana?

    Answer:

    (i) Gradual increase in the average temperature of the surface of earth, is called global warming.
    Various causes of global warming are as follows
    (a) High level of greenhouse gases in the atmosphere.
    (b) High rate of consumption of fossil fuel. 
    (ii) Kalpana was curious to know about her environment. She also wants to spread awareness among the people. She has shown the values of a responsible citizen.


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