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OCEAN FLOOR

Across
The steep drop off at the edge of the continent
Chains of volcanic mountains that run through the middle of the ocean
Makes up the continental slope,shelf and rise
Relative smooth, flat plains on the ocean floor
Low valleys in the middle of mid ocean ridges where to ocean plates pull apart
An underwater volcanic mountain, not an island, yet
Down
The deepest place in the ocean
An underwater plateau that has sunk beneath the oceans surface.
Gently sloping edge of the continent
Where sediment builds up at the bottom of the continental slope