7th Class Social Science Sample Paper Social Science Sample Paper - 8

  • question_answer                       
    Fill in the blanks:                                                                                                                        
    (a) The uppermost layer of the earth's surface is called the ______
    (b) The deepest mine in the world is in _____
    (c) Mantle extends up to the depth of ____ km below the crust.
    (d) Any natural mass of mineral matter that makes up the earth's crust is called a ____.
    (e) Igneous and sedimentary rocks changes into ____rocks due to excessive heat and pressure.

    Answer:

    (a) crust                        
    (b) South Africa
    (c) 2900                        
    (d) rock
    (e) Metamorphic


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