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Which of the Following Does NOT Help Explain Why Refraction

Question 45

Multiple Choice

Which of the following does NOT help explain why refraction causes some seismic waves to return toward Earth's surface? Which of the following does NOT help explain why refraction causes some seismic waves to return toward Earth's surface? A) steeply descending rays get refracted to shallower angles as they encounter faster materials at depth B) rising rays refract upward as they encounter slower and slower material C) the seismic waves encounter materials with different properties, including density D) steeply descending rays encounter the liquid core and reflect back to the surface


A) steeply descending rays get refracted to shallower angles as they encounter faster materials at depth
B) rising rays refract upward as they encounter slower and slower material
C) the seismic waves encounter materials with different properties, including density
D) steeply descending rays encounter the liquid core and reflect back to the surface

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