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  5. Rocks and Soil / चट्टानें और मिट्टी

4th Class Science Rocks and Soil / चट्टानें और मिट्टी Question Bank Rocks and Soil

  • question_answer
    The layer immediately above bed rock is _____ .

    A) humus             

    B) top soil

    C) sub soil                       

    D) parent material

    Correct Answer: D

    Solution :

    parent material


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