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The mineral contents of the upper part of the earth's crust are collectively ...
Classroom
Geography Classroom
Waec
Waec 2011
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The mineral contents of the upper part of the earth's crust are collectively called the sial because it is composed mainly of
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
Silica and olivine
B
Alumina and olivine
C
Silica and alumina
D
Alumina and phosphate
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Show Explanation
Correct Answer:
Option C
Explanation:
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