CLEAN : Opposition parties hold protest in Liberia

What is the primary focus of the introduction section?

• Fossils found in rocks

• Chemical composition of rocks

• Basic understanding of rocks

• The history of rocks

Which of the following is a characteristic of rocks?

• They can be found only in mountains

• They are always smooth

• They are always colorful

• They have a solid form

What is not a characteristic of rocks?

• They are natural

• They have a definite shape

• They can be liquid

• They are solid

What is one of the main types of rocks?

• Liquid

• Metallic

• Igneous

• Plastic

Which section discusses the different types of rocks?

• Introduction to Rocks

• Characteristics of Rocks

• Types of Rocks

• None of the above