Select the correct answer using following codes
A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1,2 and 3
Answer:B
Select the correct answer using following codes
A. 1 and 2 only B. 1 and 3 only C. 2 and 3 only D. 1,2 and 3
Explanation: Igneous rocks are formed by cooling and solidification of molten rock from beneath the earth’s crust. They do not occur in strata nor do they contain fossils. They are crystalline in structure. Most igneous rocks are extremely hard and resistant. Thus they are quarried for road making and polished as monuments.