The continents of the world are mainly composed of
A. Core
B. Mantal
C. Sial
D. Sima
Answer: Option C
Solution (By Examveda Team)
The continents of the world are mainly composed of Sial. The main mineral constituents of the continental mass are silica and alumina.It is thus called sial (si-silica and al-alumina).This Question Belongs to Geography >> Miscellaneous World Geography
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