Question

Which best describes energy changes in a system?

a
Energy is not conserved, but it cannot be created or destroyed.
b
Energy is not conserved, and it can be created or destroyed.
c
Energy is conserved, and it cannot be created or destroyed.
d
Energy is conserved, but it can be created or destroyed.

Answer 1

[AI-generated answer — Bot]

c. Energy is conserved, and it cannot be created or destroyed. This statement is known as the Law of Conservation of Energy. Although energy can be converted from one form to another, the total amount of energy in a closed system remains constant.