Question

Which of the following statements is true?

A. Energy can be created, but not destroyed.
B. Some machines are 100 percent efficient.
C. Atomic energy can't be converted into electricity.
D. When work is done, some energy is always "lost" as heat.

Answer 1

C. Atomic energy can’t be converted into electricity

Answer 2

D

Step-by-step explanation:

Heat sometimes gets "lost" when work is done