AP Environmental Sciencemediummcq1 pt
An LED bulb uses 10 W where an incandescent used 60 W for the same light. The LED is an example of
A.energy efficiency
B.energy conservation
C.renewable generation
D.cogeneration
Explanation
Core Concept
Same service (light) for one-sixth the energy — efficiency is technological improvement, not doing without.
Correct Answer
Aenergy efficiency
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