Answer:
The correct option is C. A picture of a straw in a glass of water showing the shift in position of the straw due to the water.
Step-by-step explanation:
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C
When light transitions from the air to the water the light bends due to refraction. The refractive index is related to the speed of light in both air and water. The Wikipedia article on Refraction does and excellent job of explaining this.
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