ENV 3120 Final: ENV 3120
6 Aug 2019
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Document Summary
How was it formed? in earth"s crust formed from ancient plants. What organisms formed oil and natural gas? zooplankton, algae. What are the largest emitters of co2? fossil fuels. What is the soil and rock called that is removed before coal mining? overburden. What is an environmental impact of coal mining? acidic drainage and leaching or metals affects water quality and aquatic ecosystems. What is the environmental impact of mountain top removal mining? the overburden is dumped into nearby valleys, changing is geography and affecting lakes. What are the advantages of petroleum refining vs coal mining? easier transport, cleaner burning. What does petroleum refining do? separates petroleum into a variety of products based on their different boiling points. In a fractionation tower what happens to compounds with lower boiling points? they rise higher in the tower. What are structural traps? when sedimentary rock folds upward and traps oil.
