1. Which layer of the earth contains rocks that are moving slowly but continuously? * 1 point A. Crust B. Mantle C. Inner core D. Outer core 2. What happens to the P-waves when they are approaching the molten part of the Earth’s interior? * 1 point A. become slower B. remains the same C. they disappear D. the velocity increases 3. What do you call the region on Earth’s surface where a violent earthquake is felt? * 1 point A. Crust B. Epicenter C. Focus D. Plate tectonic 4. Which of the following seismic waves is detected first by the seismograph? * 1 point A. L-waves B. P-waves C. R-waves D. S-waves 5. Which part of the Earth is said to be solid? * 1 point A. Crust B. Mantle C. Inner Core D. Outer Core
