what's the difference between 'soft' rock and 'hard' rock geology?
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How are igneous, sedimentary, and metamorphic rocks formed?
How were sedimentary rocks created?
What is the general statement regarding the temperature of water in oceanic depths?
What did radon detection in arid areas can help to explore?
What is coal?
What is ampourpose?
Describe the main types off rocks. How the different types of rocks formed ?
What is the rate of species and how does this relate to finding transitional species?
What is shale?
What is hydrogeologists?
Explain the difference between the geoid and the surface of the earth?
What layer of the earth does magma form?