Question

Which element in the image will turn into extrusive igneous rock?

Answer 1

Extrusive igneous rocks form when magma reaches the Earth's surface and cools quickly, which would be A.

A is the only magma on the surface.

Answer 2

Extrusive igneous rock is defined as a volcanic rock formed from hot magma which undergoes rapid cooling when it reaches the Earth's surface. This volcanic rocks are characterized to smaller crystal structure as compared to intrusive igneous rock, volcanic rock formed below Earths's surface. Referring to the picture, the answer is A.