After an earthquake, scientists examine data from two different seismographs. The locations of the earthquake and the seismographs are labeled on the model of Earth. Seismograph 1 records P-waves and S-waves from the earthquake, but seismograph 2 only records P-waves. What causes the difference in seismic waves recorded by the two seismographs?

What is the northern most national park in the world

Suggest two reasons why irrigation is important for human development of the desert

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle