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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