A) explain the difference between combined cycle and cogeneration. (10 points)

b) explain the significance of proximate and ultimate analysis from engineering (utilization) standpoint (15 points)

c) explain in your own words clearly how fossil fuels have formed in nature (type written) using your own sketch of global carbon cycle diagram. what are the major differences in composition between coal, oil and natural gas what is the difference in raw constituents that make oil, gas and coal? (15 points).