Biology, 01.04.2020 06:42 KeidrienneB1
About 30 miles into Earth, the speed of seismic (earthquake) waves increases. What does this change
in speed indicate about the material through which the seismic waves are traveling?
The waves travel from rock into metal.
The waves are traveling from solid material into liquid material.
The waves are traveling from cooler material into hotter material.
The waves are traveling from less dense material into more dense material.
Answers: 2
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About 30 miles into Earth, the speed of seismic (earthquake) waves increases. What does this change<...
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