Multiple choice general knowledge science & technology

phonograph, lightbulb and motion pictures

  1. Joseph-Armand Bombardier

  2. Rudolph Diesel

  3. Marion Donovon

  4. Thomas Alva Edison
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Thomas Alva Edison invented the phonograph (1877), perfected the practical lightbulb (1879), and played a pivotal role in developing motion pictures. His inventions established the modern electric and entertainment industries, earning him over 1,000 patents.

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