How are the three types of rocks(sedimentary, igneous and metamorphic) formed?

Related questions

• How do igneous rocks form?
• What are some common characteristics of sedimentary rocks?
• How can sedimentary rocks become metamorphic rocks?
• What are some examples of igneous rocks?
• How can igneous rocks become metamorphic rocks?
• How can igneous rocks be identified?
• How do metamorphic rocks become foliated?
• How are igenous rocks formed and what are some examples?
• How are sedimentary rocks formed and what are some examples?
• What types of rocks contain fossils?