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14 Cards in this Set

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Accretion
building up of land by physical forces
Barrier Island
long, narrow island lying parallel to the mainland and separated from it by bay, lagoon, or marsh
Bivalve
Mollusks having two shells (like clams, oysters, and mussels)
Continental Shelf
remaining submerged portion of the coastal plain
Continental Slope
the actual edge of the continent whose slope rapidly falls to a deep plateau and eventually into the ocean depths
Erosion
process of being gradually worn away
Georgia bight (South Atlantic bight)
inward-curving shape of the coast line stretching from Cape Hatteras, NC to Miami, FL
Longshore Current
current that runs parallel to the shore within the surf zones
Sandbar
submerged or exposed line of sand accumulated by wave action
Sand dunes
a hill of sand piled up by the wind
Sea Oats
a tall grass (Uniola panicolata) that grows on the coast of the southern U.S. and helps hold the sand dunes together
Tides
periodic changes in the height of the ocean caused by the gravitational forces of the moon and the sun
Univalve
Mollusks having only one shell (like snails, whelks, conchs)
Wrack
debris washed up along the high tide line of a beach