Explain what did radon detection in arid areas can help to explore?
What is magma?
Define a hypothesis?
What is lithosphere?
Explain what does a geologist do on a typical day?
Tell me what's the difference between 'soft' rock and 'hard' rock geology?
What is gangue in geology?
How many seismograph stations are needed to allocate the epicenter of an earthquake?
What is cleavage?
Throw some light on water temperature in oceans and its effect on marine life.
Explain valley?
Why did the continents spread apart?
What are the major factors that influence mass movements.
Which is the largest reef?
Which kind of volcano is the most destructive?