A measure of the useful energy produced divided by the amount of energy it takes to obtain it, is known as ________
A) the energy return on investment (EROI)
B) a measure of intrinsic value
C) a measure of secondary energy
D) the proven reserves
E) the energy conversion efficiency
Answer: A
You might also like to view...
When driving on a foggy night, it is often difficult to see the road when the high beam lights are on. Which of the following processes explains why this happens?
A. transmission of light by the fog B. absorption of light by the fog C. refraction of light by the fog D. scattering of light by the fog
What process intensified arguments about Earth's age because it would require long periods of time to occur?
A) Uniformitarianism B) Catastrophism C) Natural Selection D) Biblical creation
With which part of the atom is radioactivity associated?
A) the core electrons B) the entire atom C) the nucleus D) the valence electrons
When are restoration efforts needed? Describe efforts underway to restore the Everglades
What will be an ideal response?