Question

In a car engine, gasoline is burned to create mechanical energy. Which of the following statements is true? Some energy is lost as heat. The total amount of energy in the system increases. The total amount of energy in the system decreases. Nuclear energy is transformed into mechanical energy.

Answer 1

Some energy is lost as heat.

Step-by-step explanation:

Answer 2

1 and 3 ???

not nuclear ... chemical (outside the nucleus)

energy is v v v often lost as heat.