Which one of the following allowed steam engines to be located away from rivers?

Question

Quizplus · Accepted Answer

Steam engines traditionally ran on water power, but the introduction of coal as a fuel source allowed steam engines to be located away from rivers. This made them more versatile and accessible in a wider range of industries. Choices A and B may also be true, but they are not as directly related to the ability to locate steam engines away from rivers as the use of coal.

Which One of the Following Allowed Steam Engines to Be