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barry barry
wrote...
Posts: 11630
11 years ago
A measure of the useful energy produced divided by the amount of energy it takes to obtain it, is known as ________.
A) a measure of secondary energy
B) a measure of intrinsic value
C) the energy conversion efficiency
D) the proven reserves
E) the energy return on investment (EROI)
Textbook 
The Environment and You

The Environment and You


Edition: 2nd
Authors:
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Replies
wrote...
11 years ago
E) the energy return on investment (EROI)
Biology - The only science where multiplication and division mean the same thing.
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