Explain the difference between a semi-precious and a precious stone?
How the asthenosphere works?
What is bitumen?
What is the name of the largest volcano in the world?
What is pyrite?
What is planetary geologists?
How do geologists find out the age of mountains?
Why does a glacier move?
What is blast hole?
Where would you expect to find the oldest basalt on the floor of the atlantic ocean?
Explain how do minerals become rocks and rocks become soil?
Explain where are mountains of the moon?
Which is the largest reef?
Explain how many seismograph stations are needed to allocate the epicenter of an earthquake?
What is cathode?