UPSC Geography Natural Vegetation and Wild Life / प्राकृतिक वनस्पति और वन्य जीवन Question Bank Nature and Scope

  • question_answer
    Who invented the Isotherms?

    A)  Pythagoras                   

    B)  Humboldt

    C)  Aristotle          

    D)  Herodotus

    Correct Answer: B


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