A. the typical household use of a light bulb is approximately 4 hours a day
may be true but it can be an assumption. it cant explain whether 100 w and 25 w have same intensity
B. aside from its greater efficiency, the electronic lamp resembles the incandescent light bulb in most aspects
not an assumption
C. the type of light cast by the electronic lamp is different from that cast by an incandescent bulb
extra info, not helpful to strengthen the argument
D. the price of electronic lamps will
...
may be true but it can be an assumption. it cant explain whether 100 w and 25 w have same intensity
B. aside from its greater efficiency, the electronic lamp resembles the incandescent light bulb in most aspects
not an assumption
C. the type of light cast by the electronic lamp is different from that cast by an incandescent bulb
extra info, not helpful to strengthen the argument
D. the price of electronic lamps will
...








