The tremendous industrial growth known as the second industrial revolution was triggered by the development and use of?

A. plastics and nuclear energy

B. iron and steam

C. iron, steel, and steam

D. steel, petroleum, and electricity

A. Plastics and nuclear energy

This allowed objects to be more flexible and contributed to a lot of goods we use today. The other three options are also redundant, and this is the only one that has a unique answer. The first industrial revolution also included all of these items because steel, iron, and petroleum were the main products during the time that allowed us as humans to convert chemical energy into mechanical energy.

The correct answer is actually D. Steel, Petroleum, and Electricity