A) Turning all appliances to stand by when not in use.
B) Turning off and unplugging all appliances when not in use.
C) Turning off all lights when not in the room.
D) Leaving lights on in only the rooms you are moving between.
Correct Answer: D
Solution :
Leaving lights on in only the rooms you are moving between is not a way of saving energy. Energy should not be wasted even for a minute and fans and lights should be switched off when going out of the room.
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