Question

Which best describes how igneous rocks are formed?

A. Layers of dirt and other rocks are pressed together to form igneous rocks.

B. Molten material in the earth cools and hardens to form igneous rocks.

C. Elements in the earth form igneous solids with crystals.

D. Wind erodes mountains into small igneous rocks.

Answer 1

I believe the correct answer from the choices listed above is option B. Igneous rocks are formed when molten material in the earth cools and hardens to form rocks. These rocks are formed by the solidification of magma or lava. It can happen below or on the surface of the Earth.