You and your dog are walking along a pond. Your dog looks into the still water and is startled to see its reflection. Which phen
omenon is responsible for the appearance of the dog's reflection on the water's surface?
А. diffraction of water waves
B. reflection of lightwaves
C. refraction of lightwaves
D. reflection of water waves
E. refraction of water waves
Explanation: light allows you to see, when light reflects off the water in a certain way it has a mirroring effect. refraction changes how things are seen based on the medium light is in, so this question is not about that.
Opportunity cost refers to what you have to give up to buy what you want in terms of other goods or services. When economists use the word “cost,” we usually mean opportunity cost.
