Biology, 28.01.2021 20:30 KingKayyy9177
In the United States, which of the following would increase energy efficiency?
a. using public transportation and developing more efficient engines for vehicles b. turning thermostats down in winter and up in summer
c. insulating homes and businesses
d. All of the above
Answers: 3
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In the United States, which of the following would increase energy efficiency?
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