Multiple Choice
Which of the actions would address the biggest source of greenhouse gas emissions in the United States?
A) switching to more energy efficient light-emitting diode (LED) bulbs
B) setting thermostats to 68°F in the winter and 78°F in the summer
C) walking or biking to work and to other routine destinations
D) buying locally produced organic foods
Correct Answer:

Verified
Correct Answer:
Verified
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