A welding torch produces a flame by burning acetylene fuel in the presence of oxygen. This flame is used to melt a metal. Which energy transformation represents this process?

The correct answer for the question that is being presented above is this one: "Chemical energy turns into thermal energy. " A welding torch produces a flame by burning acetylene fuel in the presence of oxygen. This flame is used to melt a metal.

Here are the following choices:

A. Chemical energy turns into thermal energy.

B. Kinetic energy turns into potential energy.

C. Thermal energy turns into electromagnetic energy.

D. Potential energy turns into chemical energy.