What is the difference between a semi-precious and a precious stone?
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What is potash?
What is sedimentary rock?
What is loam soil?
What is crude?
Explain where would you expect to find the oldest basalt on the floor of the atlantic ocean?
How continental heat flow is produced?
What is cleavage?
What are the major factors that influence mass movements.
Explain when does an atoll start to form?
Define the cambrian?
What is asphalt?
What does a geologist do on a typical day?