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Chapter 16

Across
Area in which loose sediment is deposited and moved about by waves along the shore
Process in which waves advancing toward shore slow when they encounter shallower water, causing the initially straight wave crests to bend toward the headlands
Elongated, sometimes arc-shaped depression in the seafloor that can extend for thousands of kilometers, is the deepest part of the ocean basin, and is found primarily in the Pacific Ocean
Sloping oceanic region found beyond the continental shelf that generally marks the edge of the continental crust and may be cut by sub-marine canyons
Area where edges of continents meet the ocean; represents the shallowest part of the ocean that consists of the continental shelf, the continental slope, and the continental rise
Smooth, flat part of the seafloor covered with muddy sediments and sedimentary rocks that extends seaward from the continental margin
Current that flows parallel to the shore, moves large amounts of sediments, and is formed when incoming breakers spill over a longshore bar
Chain of underwater mountains that run throughout the ocean basins, have a total length over 65,000 km, and contain active and extinct volcanoes
Down
Shallowest part of a continental margin, with an average depth of 130 m and an average width of 60 km, that extends into the ocean from the shore and provides a nutrient-rich home to large numbers of fish
Long ridges of sand or other sediment deposited or shaped by the longshore current, that are separated from the mainland and can be up to tens of kilometers long
Rapidly flowing ocean current that can cut deep-sea canyons in continental slopes and deposit the sediments in the form of a continental rise
Gently sloping oceanic region found beyond the continental shelf that generally marks the edge of the continental crust and may be cut by sub-marine canyons
Submerged sandbar located in the surf zone of most beaches
Basaltic, submerged volcano on the seafloor that is more than 1 km high
Large, extinct, basaltic volcanoes with flat, submerged tops