Granites are called acid igneous rocks because of
A. their low pH values.
B. their reaction with acid.
C. their high silica content.
D. predominance of acidic minerals in them.
Answer:C
Granites are called acid igneous rocks because of
A. their low pH values. B. their reaction with acid. C. their high silica content. D. predominance of acidic minerals in them.
Explanation: Q.2. Which among the following is not a hotspot?