The energy "lost" by a system is ____.
A) converted into an equal amount of matter
B) equal to the energy the system creates
C) converted to lower-quality energy
D) returned to the system eventually
E) converted to higher-quality energy

Question

Quizplus · Accepted Answer

Energy is not lost but converted into lower-quality forms, such as heat, which may not be useful for performing work in the same way the original energy was.

The Energy "Lost" by a System Is ____