Question

which best describes how energy changes form in a cars engine? a single transformation occurs because the chemical energy of the fuel is changed to the mechanical energy of the car. a single transformation occurs because the mechanical energy of the car originates from one spark. multiple transformations occur because the chemical energy of the fuel is changed to several forms of energy. multiple transformations occur because the chemical energy of the fuel must be replenished to keep the car running.

Explanation:

In a car's engine, the chemical - energy in fuel is not only converted to mechanical energy for the car's motion. There are also other energy forms involved like heat energy due to combustion inefficiencies and electrical energy for ignition systems etc. So multiple energy - form transformations take place.

Answer:

C. Multiple transformations occur because the chemical energy of the fuel is changed to several forms of energy