Explain how old is the earth?
How is the age of mountains calculated?
What is the general statement regarding the temperature of water in oceanic depths?
Tell me what's the difference between 'soft' rock and 'hard' rock geology?
What layer of the earth does magma form?
Explain when does an atoll start to form?
What is the name of the largest volcano in the world?
What separates the outer core from the mantle above it?
Which of the earths interior layers have been drilled and sampled? What are the deepest drilling projects on record?
What is the mantle made of?
What is the difference between the geoid and the surface of the earth?
How did great britain try to end troubles with the native american in 1763?
Explain gorge?
Describe the formation of sedimentary rocks?
Give an example of a resource formed by a sedimentary process.