The correct answer is C. Visible light makes up the greatest amount of electromagnetic energy reaching Earth's surface.
Step-by-step explanation
The diagram shows the different types of rays emanating from the Sun, which are Gamma Rays, X Rays, Ultraviolet Rays, Visible Rays, Infrared Rays, and Radio Waves. This diagram has a gray area that represents the rays that reach the Earth's surface, this area is mainly between the visible rays with the highest concentration and the ultraviolet and infrared rays to a lesser extent, while the rest of the rays according to the diagram, they do not reach the Earth's surface. From the above, it can be inferred that the correct answer is C. Visible light makes up the greatest amount of electromagnetic energy reaching Earth's surface.