When assessing energy resources, it is helpful to use a measure called EROI, which is ________________.
A) energy returned minus energy invested
B) amount of energy invested minus heat released into the environment
C) energy returned divided by energy invested
D) money invested in extraction and processing minus money in sales
E) energy returned plus energy invested

Question

Quizplus · Accepted Answer

EROI stands for Energy Return On Investment, which is calculated by dividing the amount of energy that is obtained from a resource, such as oil or wind, by the amount of energy that is required to produce and deliver that resource to consumers. The higher the EROI, the more energy is being returned relative to the energy that was invested. Therefore, choice C is the correct answer.

When Assessing Energy Resources, It Is Helpful to Use a Measure