What is coal?
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Describe the formation of igneous, sedimentary, and metamorphic rocks?
Explain what does regolith mean?
Explain how can we calculate or estimate the evaporation from lakes?
What is the earths crust made of?
What is sedimentologists?
What minerals attract lightning?
What is oceanographers?
What is mineralogist?
What is waste?
What is seismic?
What are the major factors that influence mass movements.
How do you calculate the age of earth?