Who first invented the electric light bulb? A. Thomas Edison B. Sir Joseph Wilson Swan C. Sir Humphrey Davy D. Both Thomas Edison and Sir Joseph Wilson SwanĐoạn văn59/80Who first invented the electric light bulb?Thomas EdisonSir Joseph Wilson SwanSir Humphrey DavyBoth Thomas Edison and Sir Joseph Wilson SwanGiải thíchĐáp án: D