Final answer:
When the Sun is directly above a pond, most of the light encountering the pond is reflected.
Step-by-step explanation:
When the Sun is directly above a pond, most of the light encountering the pond is reflected. Reflection occurs when light bounces off a surface without entering it. In this case, the Sun's rays hit the surface of the pond at a certain angle, causing them to bounce off and continue their path.
Learn more about Reflection of light