Define loam soil?
What is inorganic matter?
What is the earth made of?
What is the difference between ‘soft' rock and ‘hard' rock geology?
Explain how old is the earth?
Explain me industrial minerals?
What is shale?
Explain the constitution of mantle?
Soils take how many years to form?
Explain the formation of granite and diamond?
Explain which kind of volcano is the most destructive?
What is stope in geology?
Is there a hypothetical situational possibility of an occurance happening in yellowstone which would destroy north america but leave the rest of the world unharmed?
What is crystal?
What is a hypothesis?