Single/multi-select question: Does the sentence "They conclude that Edison's version was able to outstrip the others because of a combination of three factors: an effective incandescent material, a higher vacuum than others were able to achieve (by use of the Sprengel pump) and a high resistance that made power distribution from a centralized source economically viable." provide a valid answer to the question "Which historians wrote about the advantages of Edison's lamp over other early versions?"
Pick your answer from:
*yes
*no
no