Question

which of the following was an invention of thomas edisons?

a. the airplane

b. the typewriter

c. the automobile

d. the phonograph

Explanation:

To determine Thomas Edison's invention, we analyze each option:

• Option A: The airplane was invented by the Wright brothers, not Edison.
• Option B: The typewriter was invented by Christopher Latham Sholes, not Edison.
• Option C: The automobile was developed by multiple inventors like Karl Benz, not Edison.
• Option D: Thomas Edison invented the phonograph, which is a device for recording and reproducing sound.

Answer:

D. The phonograph