Which of the following describes the curved path of seismic waves through the mantle? a. waves are concave down because rock density increases with depth. b. waves are concave up because rock density decreases with depth. c. waves are concave down because rock density decreases with depth. d. waves are concave up because rock density increases with depth.
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Which of the following describes the curved path of seismic waves through the mantle? a. waves are c...
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