I need an answer quick about this science question!
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I need an answer quick about this science question!

[From: ] [author: ] [Date: 11-11-29] [Hit: ]
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explain how the structure of earth's interior effects seismic waves speed and direction

***state ur answers easy and simple***

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Seismic waves are waves of energy that travel through the earth, and are a result of an earthquake, explosion, or a volcano that imparts low-frequency acoustic energy....

For a better description of how the structure of earth's interior effects seismic waves speed and direction see the link below...
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