Class 9 > Samacheer Kalvi - English Medium > Lithosphere – I Endogenetic Processes

  • Give Reasons for the following

    SIAL floats over SIMA.



1 Answer

  • Correct Answer:

    (i) SIAL floats over SIMA because SAIL is less dense and lighter. (ii) SIAL consists of Silica and Aluminium which is lighter than SIMA which contains silica and Magnesium. Therefore SIAL floats or SIMA.

    Answered on 14/02/2020 at 01:04PM by Thamizh

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Unit 1. Lithosphere – I Endogenetic Processes
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