What are the three types of rocks?

1
What are the three types of rocks?
2
The three types of rocks are sedimentary, igneous
and metamorphic.
3
What are the two types of igneous rock?
4
The two types of igneous rocks are intrusive
igneous rock and extrusive igneous rock.
5
What are the 3 types of sedimentary rocks?
6
The three types of sedimentary rocks are clastic,
chemical and biologic
7
Name two examples of biological sedimentary rocks.
8
Two examples of biological sedimentary rocks are
coal and chert.
9
What are the two types of Metamorphic rocks?
10
The two types of metamorphic rocks are foliated
and non-foliated.