The main mineral constituents of the continental mass water ________ and alumina.
A. Iron Oxide
B. Silica
C. Water
D. Oxygen
Answer: Option B
Solution(By Examveda Team)
The main constituents of Earth's continental mass are water, silica and alumina and that is why the upper portion is generally termed as "SIAL".This Question Belongs to Geography >> World Climate And Weather
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