Multiple Choice
EROI is a measure of __________________
A) the amount of electricity received from an energy source
B) the amount of electricity required to extract the energy from a power source such as coal
C) the amount of energy invested into a source of energy compared to the amount of energy received from the source
D) the quality of energy released in the combustion of a certain kind of fuel
E) the energy needed to balance out the amount of energy emitted by an energy source
Correct Answer:

Verified
Correct Answer:
Verified
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