Which statement about gamma rays is true according to the material?

Which statement about gamma rays is true according to the material?

• A. Gamma rays are high-energy photons emitted during a process that changes the element.
• B. Gamma rays are emitted only during fusion.
• C. Gamma rays are high-energy photons emitted when energy is released without changing the element.
• D. Gamma rays always transform the element into a different element.

Answer: (C)