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10 Cards in this Set

  • Front
  • Back

underwater mountain range

mid-ocean ridge

huge muddy valley that cuts through the abyssal plain

trench

huge valley where the crust appears to be separating

rift

level deep ocean floor

abyssal plain

underwater mountain

seamount

circular, coral-reef island

atoll

the underwater mountain chain that stretches down the middle of the Atlantic Ocean

Mid-Atlantic Ridge

deep depressions that contain the oceans

ocean basins

the gently sloped region that stretches away from the continental slope

continental rise

the deepest known point in the sea

Challenger Deep (or Marianas Trench)