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  3. 3rd Class
  4. Science
  5. Birds

3rd Class Science Birds Question Bank Birds

  • question_answer
    Birds migrate because of___________ and ___________ factors.

    A) water and climate                   

    B) personal and professional

    C) food and shelter                    

    D) environmental and genetic

    Correct Answer: D

    Solution :

    Birds migrate because of environmental and genetic factors.


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