Question

How would a geologist identify an igneous rock as extrusive?

A.
An extrusive rock is coarse-grained because it cooled slowly beneath the earth’s surface.

B.
An extrusive rock is fine-grained because it cooled quickly on the earth’s surface.

C.
An extrusive rock is fine-grained because it cooled quickly beneath the earth’s surface.

D.
An extrusive rock is coarse-grained because it cooled slowly on the earth’s surface.

Answer 1

igneuos and then below earth and then coarse grained rock

Step-by-step explanation:

Answer 2

An extrusive rock is fine grained because it cooled quickly beneath the earth's surface and by this way a geologist can identify an igneous rock as extrusive. The correct option among all the options that are given in the question is the third option or option "C". I hope that the answer has helped you.