Which detail from “thomas edison: the master of improvement” explains why swan’s lightbulb failed to be successful?

a phrase is a set of word that make a sense, an expression formed by two or more words.

" teacher´s dictum on the possession of human "

" made a pile practicing "

" lived to an impressive age and dies "

a clause, in a grammar way is a series of words that have a complete meaning.

" was irritated by the persecution of those who called themselves "

a question like this requires the excerpt to be included in order to answer the question.