Q175
The formation of Extrusive rocks takes place ________
A.
By solidification of magma above the earth's surface
AnswerB.
Due to excessive pressure at great depths
C.
By deposition of magma at a great depth
D.
At an intermediate depth by transformation
Answer: Option A
Solution
Answer: Option A
Solution:
The formation of Extrusive rocks takes place by solidification of magma above the earth's surface. Extrusive igneous rocks cool and solidify quicker than intrusive igneous rocks. They are formed by the cooling of molten magma on the earth's surface.