Biology, 04.08.2019 19:40, jmitial

The path of the seismic wave changes at the boundaries of each layer because a. seismic waves always change direction after a few miles. b. each layer has different properties. c. each layer is made out of the same material. d. the layers are different sizes.

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The path of the seismic wave changes at the boundaries of each layer because a. seismic waves alway...