Indian coal field are formed during
A. Permain and Tertiary
B. Godwana
C. Mesosaic
D. Paleogoic
Answer: Option A
A. Permain and Tertiary
B. Godwana
C. Mesosaic
D. Paleogoic
Answer: Option A
On the basis of which content the igneous rocks are classified as acid rocks and basic rocks?
A. Magnetite
B. Hematite
C. Bauxite
D. Silica
Origin of Solar System divided in two groups, which are
A. Evolutionary and catastrophic
B. Nebula and gaseous tidal hypo
C. Jeansand Jeffires
D. A and B both
A. Attrition
B. Deflation
C. Denudation
D. Mantle
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