Question

The running of both, the steam engine and the internal combustion engine was made possible the exploitation of _________________.

• A. fossil fuels for energy.
• B. the forest of Europe for energy.
• C. the newly discovered riches of America.
• D. agricultural workers due to the improved transportation.

Answer 1

The correct option is A fossil fuels for energy.

The running of the steam engine was possible due to exploitation of coal while the internal combustion engine runs on petroleum, both of which are fossil fuels.