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
Answers: 2
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1. Which layer of the earth contains rocks that are moving slowly but continuously? *
1 point
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