A factory owner in 1890 replaces his steam plant with a power source that also lights the building. That source was:
AElectricity
BElasticity
CEmbroidery
DEngraving
Answer & Solution
Correct answer: A. Electricity
1. Water power had replaced animal power earlier.
2. Steam engines burning coal came next.
3. The new source was electricity.
_Source: OpenStax World History Volume 2, Chapter 10, Inventions, Innovations, and Mechanization._
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