The correct answer is I; The electric light bulb
Explanation:
During the Industrial Revolution, the light bulbs invention started the wave of factories to work 24 hours. Since, the workers could see with the lights, they were now made to work longer and in shifts.
Before the light bulb, the workers were using candles and the burning lamps to see what they were doing. These were no longer needed, and factories took advantage of that fact. They could make more things and had a bigger profit.
The coal industry expanded first using the light bulb, then other larger factories followed suit.
Learn more about the light bulb at https://brainly.com/question/2707308
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