9th Class Social Science Physical Features of India Question Bank 9th CBSE Social Science Physical Features of India

  • question_answer
        What is the 'Theory of plate Tectonics'?

    Answer:

                      According to this theory, the crust of the earth (upper part) has been formed put of seven major and some minor plates. The movement of the plates results in the building up of stresses within the plates and the continental rocks above, leading to folding, faulting and volcanic activity.


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