Question

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Electric Energy Net Generation by Resource (as of 2007)


Resource Percentage

coal 48.5

natural gas 21.6

uranium 19.4

hydroelectric 5.8

petroleum 1.6

biomass about 1.0

geothermal <1.0

solar and other <1.0

wind <1.0

other gases 0.3


What percentage of energy generation is produced by fossil fuels?

Answer 1

`71.7\%.`

`Coal, \: crude \: oil, \: and \: natural \: \\ gas \: are \: all \: considered \: fossil \: fuels \\ coal \: 48.5 \\ natural \: gas \: 21.6 \\ petroleum \: 1.6</p><p>`

`the \: sum \: of \: the \: three \:: \\ (48.5+ 21.6+ 1.6) = 71.7.`

Answer 2

63%

Step-by-step explanation:

About 63% of this electricity generation was from fossil fuels—coal, natural gas, petroleum, and other gases. About 20% was from nuclear energy, and about 18% was from renewable energy sources.

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