

MCQOPTIONS
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1. |
Saving electricity is the need of the hour. We can save electricity by |
A. | Turning on heater during winter to make room warm. |
B. | Playing loud music for three hours daily. |
C. | Using LED bulbs. |
D. | Leaving the lights and fan switched on even when there is no one in the room. |
Answer» D. Leaving the lights and fan switched on even when there is no one in the room. | |