As a deep-water wave enters shallow water, the part of the wave in the most shallow water slows down. The deeper-water portion of the wave crest keeps moving at a relatively rapid speed. This wave refraction causes the entire wave crest to progressively rotate toward being ________ with the shoreline.

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The Answer of As a deep-water wave enters shallow water, the part of the wave in the most shallow water slows down. The deeper-water portion of the wave crest keeps moving at a relatively rapid speed. This wave refraction causes the entire wave crest to progressively rotate toward being ________ with the shoreline.

As a Deep-Water Wave Enters Shallow Water, the Part of the Wave