Question

P waves travel faster through the liquid outer core compared to the solid inner core. *
a true
bfalse

Within a solid rock layer, rigidity increases with increasing depth. *
a true
b false

S (shear) waves travel readily through the liquid outer core. *
a true
b. false

P and S waves travel faster in the upper mantle than in the crust. *
a true
b false

The further away an earthquake is, the greater the delay between primary (P) and secondary (S) waves. *
a true
b false

P waves result in alternating contraction and expansion of rocks in the direction of propagation. *
a true
b false

Most earthquakes are caused by the release of accumulated strain energy in rocks undergoing plastic deformation. *
a true
b false

An earthquake’s epicenter is in the exact center of the fault that causes the earthquake. *
a true
b false

If an earthquake occurs, the first waves to arrive at a seismograph are S waves. *
a true
b false

Tsunami can occur due to destructive collapse of coastal, island and underwater volcanoes which result in massive landslides. *
a true
b. false

Answer 1

answer of question 1 is false

Answer 2

Explanation:

1. false
2. true
3. false
4. false
5. true
6. false
7. true
8. true
9. false
10. true