Answer: A reflection
Explanation:
The correct answer is - reflection. Since this is not a living being, it cannot see, fly or get wet. It can be a reflection of water, sound, mirror or light. Reflection is used in many studies, including studies of waves and it has a high frequency.
For its view, the most important are light and appropriate angle. It is something that comes back to us, we can see our reflection in the glass of water, sea, lake and more.