21-1

Match it! Select the correct answer from the pull down...Good luck!

Why are mines that are miles deep uncomfortably warm?

What of the following describes the outer core?

What are the two types of crust?

What is the mantle considered to be

What produces energy in the core?

What would happen to normal metals from Earth's surface if they were in the core?

Which of the following describes the inner core?

Which layer is 80% of Earth's volume?