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Interior of the Earth — Geography STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8GeographyInterior of the Earth3 Marks
Question
The lower layer of the crust is called Sima.
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Answer

  1. The rocks in the lower layer of the crust have predominance of the compounds of silicon and magnesium.
  2. The word Sima is derived from the word Silica (Si) and Magnesium. (Ma). Therefore, the lower layer of the crust is called (Si + Ma) Sima.

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