Multiple choice

Which invention led to the change from coal to liquid fuels like oil?

  1. Internal combustion engine

  2. Electricity

  3. Motorcycles

  4. Natural gas

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The development of the internal combustion engine allowed for the use of liquid fuels like gasoline (derived from oil), which eventually replaced coal as the primary power source for transportation.