Q: 116 (RAS/2013)
question_subject:
Science
question_exam:
RAS
stats:
0,68,49,68,43,2,4
keywords:
{'light emitting diodes': [0, 0, 0, 1], 'light emitting diode': [0, 0, 0, 3], 'compact fluorescent lamps': [0, 0, 0, 1], 'lamps': [0, 0, 1, 5], 'cfl': [0, 0, 0, 3], 'led': [0, 0, 0, 1], 'more energy': [0, 0, 0, 3]}