Plimacopaulineviz
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TRUE / FALSE only
1. P and S waves travel faster in the upper mantle than in the crust. The change in velocity is called the
Mohorovicic Discontinuity.

2. The further away an earthquake is, the greater the delay between primary (P) and secondary (5)
waves.

3. P waves result in alternating contraction and expansion of rocks in the direction of propagation​

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Tamonclareviz

Answer:

1. true

2. true

3. false

4. false

5. true

Explanation:

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