· microphone
· motion-picture camera
· incandescent light bulb
All of these invent...
Social Studies, 21.03.2020 05:07, asdf2342
· microphone
· motion-picture camera
· incandescent light bulb
All of these inventions are associated with what great inventor?
A) Henry Ford
B) George Eastman
C) Thomas Alva Edison
D) Alexander Graham Bell
Answers: 3
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The provisions of subpart d, of the hhs regulations, additional protections for children involved as subjects in research apply to: all research involving childrenall research that is > minimal riskall research funded by any federal agencyall research funded by hhs
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