What is crystal?
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Explain the difference between a semi-precious and a precious stone?
Explain how are the layers of schist separated into alternating light and dark minerals?
Explain why does marble rarely contain fossils?
Explain what time period can carbon-14 dates have?
explain how do geologists find out the age of mountains?
What is element in geology?
Explain the general statement regarding the temperature of water in oceanic depths?
Explain why did the continents spread apart?
What is ablation?
How are igneous, sedimentary, and metamorphic rocks formed?
What is renewable resource?
Discuss major factors that influence mass movements?