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).

Why would the crystals in an intrusive igneous rock be larger than the crystals in a chemical sedimentary rock? a. intrusive rocks form beneath the earth's surface, so they cool very slowly, which produces larger crystals. b. chemical sedimentary rocks form from dissolved substances on the earth's surface with very high heat and cool very slowly, which produces smaller crystals. c. chemical sedimentary rocks and intrusive rocks have crystals of the same size. o d. chemical sedimentary rocks form deep in the earth, so they cool slower, which produces small crystals. € read question correct:

Does water only take one path through the water cycle? (15 points)

Which statements describe characteristics of mdcs? higher standard of living increased agricultural focus more access to health care more access to transportation and communication more industry reduced educational opportunities shorter life expectancy