2. Which of the following do NOT contribute to the formation of coal?
bones plants computer chip a humpback whale a banana peel
3. The pathway is dependent of:
heat work change in energy A & B B & D
4. What is pyrolytic cracking?
process in which larger kerosene molecules are broken down into smaller molecules of hydrocarbon a procedure in which a more a practical source of energy is produced the use of pyrotechnics to mine coal a process of coal conversion none of the above
5. Petroleum is mainly composed of a compound called:
helium krypton sodium energy hydrocarbons
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