in the mid - 1800s, steam power was replaced by the internal combustion engine the single - wire telegraph…

in the mid - 1800s, steam power was replaced by the internal combustion engine the single - wire telegraph alternating current electricity engine - powered flight
Answer
Brief Explanations:
In the mid - 1800s, the internal combustion engine started to gain prominence and replace steam power in many applications. The single - wire telegraph is a communication technology, alternating current electricity is a form of electrical power but not a direct replacement for steam power at that time, and engine - powered flight came later.
Answer:
the internal combustion engine