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AP® Environmental Science

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Energy Consumption, Primary vs. Secondary

APES-3JYVLD

What is the difference between primary and secondary energy sources?

A

Primary energy sources are the most environmentally sound.

B

Secondary energy sources are everything but transportation.

C

Primary energy is the energy contained in raw fuels. Secondary energy sources are derived from primary energy.

D

Secondary energy is the energy contained in raw fuels. Primary energy sources have been processed.

E

Primary energy sources are the dirtiest while secondary energy sources are renewables.