Answer:
A. Take medical diagnostic images is a potential use of X-rays.
Step-by-step explanation:
X-rays have a high energy and are able to penetrate materials that visible light cannot, such as human tissue. This makes them useful in medical imaging, where they can be used to produce diagnostic images of bones and internal organs.
Option B, making watch dials glow, was a historical use of X-rays in the early 20th century before the health risks of X-ray exposure were fully understood.
Option C, getting a tan, is not a potential use of X-rays. Exposure to X-rays can be harmful to the skin and increase the risk of skin cancer.
Option D, creating nuclear energy, involves a different type of radiation, such as gamma rays or neutrons, and is not a potential use of X-rays.