Energy conversion reduces efficiency. Energy is destroyed at high temperatures. Energy loss increases the order in a system. Energy levels increase as conversions take place.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The average car uses about 25% of the available energy in each gallon of gasoline. The energy not used to run the car is released as heat and sound. Which statement best describes this occurrence?
Possibilities:
- Energy conversion reduces efficiency.
- Energy is destroyed at high temperatures.
- Energy loss increases the order in a system.
- Energy levels increase as conversions take place.

Energy conversion reduces efficiency.