If you take a walk on a summer night along a dark, unpaved
Chapter 18, Problem 5CQ(choose chapter or problem)
Problem 5CQ
If you take a walk on a summer night along a dark, unpaved road in the woods, with a flashlight pointing at the ground several yards ahead to guide your steps, any water-filled potholes are noticeable because they appear much darker than the surrounding dry road. Explain why.
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