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9. What was Thomas Edison's role in the development of the light bulb?

He improved electricity.
He improved the light bulb.
He invented the light bulb.

User Velidan
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2 Answers

3 votes

Answer: He invented the light bulb

Step-by-step explanation:

User VxJasonxV
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5 votes

He invented the light bulb.

User Daniel Amitay
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