Describe at least one historical and one economic importance of sedimentary rocks. (1 pts) 3. Explain two differences between detrital and chemical sedimentary rocks with respect to the origin of the sediment and their classification. Provide one example of rock for each category, (2 pts) 4. Granite and basalt are exposed at the surface in a hot wet region. Which of the two igneous rocks will weather more rapidly? Why? (1 pts) 5. Explain two differences between contact and regional metamorphism considering their causes (heat/pressure) and at which plate boundary do they happen (subduction zone/continent to continent convergence/divergent)

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