Answer
E
Work Step by Step
Increasing energy efficiency is done by conserving the amount of energy input put in. If there is a smaller energy input that results in the same amount of energy produced, it is efficient.
Environmental Science for AP* (2nd Edition)
by Friedland, Andrew J.; Relyea, Rick
Published by
W. H. Freeman
ISBN 10:
1464108684
ISBN 13:
978-1-46410-868-6
Chapter 13 - Module 37 - Conservation, Efficiency, and Renewable Energy - AP Review Questions - Page 439: 1
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