Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman

تمرين 16

Define natural gas, liquefied petroleum gas (LPG), and liquefied natural gas (LNG). What are two sources of unconventional natural gas What are the major advantages and disadvantages of using natural gas as an energy resource What are two problems that are affecting the reputation of natural gas as a cleaner fossil fuel Describe each problem. What is coal and how is it formed What are the major advantages and disadvantages presented by using coal as an energy resource Describe the problems presented by coal ash. Explain why there is no such thing as clean coal.