In the photograph the wave is transported by water, the correct option is C.
What is the medium of the wave shown in the photograph?
The image of the photograph is in the image at the end.
in physical systems, a "medium" typically refers to the substance or material through which waves, forces, or energy propagate. The medium serves as a means of transmission for these physical phenomena.
Here we can see that the little duck is floating in water, so the waves are transporter by that water, which means that the medium is water, the correct option is C.