Question

exam lesson name: american histc
exam number: 700980rr
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▶ exam instructions
question 18 of 20 :
select the best answer for the question.

1. who invented the light bulb in 1879?

○ a. joseph smith
○ b. james garfield
○ c. alexander graham bell
○ d. thomas edison
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Explanation:

To answer this, we recall historical facts: Joseph Smith was a religious leader, James Garfield was a U.S. president, Alexander Graham Bell invented the telephone, and Thomas Edison invented the practical incandescent light bulb in 1879.

Answer:

D. Thomas Edison