Answer:
Well, if you have a hot cup of coffee sitting on your desk, the heat energy it contains originally came from the hot water you used to make it. The hot water got its energy from the kettle you put on the stove or plugged into the electricity outlet. And where did the electricity come from? Most likely, from a power plant, which burned a fuel such as gas, coal, or oil to release the energy it contained.
Step-by-step explanation:
Hope this helps!