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  3. 5th Class
  4. Science

5th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    Which of these activities do not cause soil erosion?

    A) Cutting of trees  

    B) Making embankment along riverside

    C) Deep ploughing

    D) Overgrazing

    E) None of these

    Correct Answer: B

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