Question

question 20 of 20
which of the following was an invention of thomas edisons?

a. the phonograph

b. the airplane

c. the automobile

d. the typewriter

Explanation:

Thomas Edison invented the phonograph in 1877. The airplane was invented by the Wright brothers, the automobile by Karl Benz (among others), and the typewriter by Christopher Latham Sholes. Thus, the phonograph is Edison's invention.

Answer:

A. The phonograph