Thomas Edison and the Incandescent Light Bulb
Which of the following statements regarding Thomas Edison's development of the incandescent light bulb is accurate?
AHis light bulb was too expensive for widespread commercial use.
BEdison invented the first electric light bulb in history.
CEdison was unable to create a light bulb that could illuminate for more than two hours.
DAlthough earlier versions existed, Edison developed the first practical and efficient incandescent light bulb.
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