1. Earth's interior.pdf - INTRODUCTORY GEOLOGY EARTH'S INTERIOR 2.8 STUDENT RESPONSES 1 Observe the velocities of the waves on the graph Which one

1. Earth's interior.pdf - INTRODUCTORY GEOLOGY EARTH'S...

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INTRODUCTORY GEOLOGY EARTH'S INTERIOR 2.8 STUDENT RESPONSES 1. Observe the velocities of the waves on the graph. Which one travels faster? a. Pwaves b. Swaves 2. Inspect the P wave velocities. Where do the P wave velocities abruptly change? a. -20km b. -2,900km c. -5,100km d. All of the above 3. In which zones do the P wave velocities appear to be steadily increasing? 4. Observe the S wave velocities. Where do the S wave velocities abruptly change? 5. At -2,900 km, the S wave velocity falls to o. Why? 6. The zone from -o-20 km represents the Earth's: a. crust b. mantle c. inner core d. outer core The zone from -20-2,900 km represents the

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