Fossil Fuel Formation factors

Chemistry
Tutor: None Selected Time limit: 1 Day

1. Which factor did not play a major role in the formation of fossil fuels from dead plant material? 1) high temperatures 2) high pressures 3) an absence of O2 4) an abundance of sunlight 

2. Soft lignite (brown coal) is the lowest grade of coal. Its chemical composition, and hence its heat of combustion, is most similar to that of: 1) water 2) natural gas 3) wood 4) petroleum

Jul 2nd, 2015

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1.an absence of O2

 

2.wood .......................................................................

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Jul 2nd, 2015

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