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Sea Stack-a small island close to shore, once connected to the mainland. Sea Arch-a natural arch eroded by waves. Sea Cave-A cave on a beach or headland that was formed by constant erosion from waves. Sometimes under water at high tide. Sea-Cliff: A cliff that meets the ocean. . - PowerPoint PPT Presentation
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Sea Stack-a small island close to shore, once connected to the
mainland.
Sea Arch-a natural arch eroded by waves.
Sea Cave-A cave on a beach or headland that was formed by constant erosion from waves.
Sometimes under water at high tide.
Sea-Cliff: A cliff that meets the ocean.
Headland-A body of land that juts into the ocean and is surrounded by water on three sides.
Chesapeake Bay: A drowned River Valley
During last glaciation,Sea level was lower and riversCut valleys through what is nowThe Chesapeake bay.
When the Glaciers melted, seaLevel rose and flooded the River valleys.
Sydney Harbor in Australia andThe Hudson Bay in New YorkAre also drowned river valleys.
Tectonic and Volcanic Coasts
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