Rocks are made of minerals, and they are formed in different ways.

Question

According to the diagram above, how are igneous rocks formed?
A.
Other rocks experience intense heat and pressure.
B.
Sand and other particles are buried, compacted, and cemented together.
C.
Molten rock cools and turns solid.
D.
Wastes deposited by plants and animals decompose and weather.

Answer 1

Igneous rocks are formed when molten rock cools and turns solid. Therefore, the correct answer is:

C. Molten rock cools and turns solid.