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Science
Ch.11 Section 1
| Question | Answer |
|---|---|
| sonar | a device that determines the distance of an object underwater by recording the echoes of sound waves. |
| continental shelf | a gently sloping, shallow area of the ocean floor that extends outward from the edge of the continent. |
| continental slope | a steep incline of the ocean floor leading down from the edge of the continental shelf. |
| Abyssal Plain | a smooth, nearly flat region of the deep ocean floor |
| Mid-Ocean Ridge | an undersea mountain chain where new ocean floor is produced. |
| trench | a deep,steep sided canyon in the ocean floor. |
| intertidial zone | an area that streches form the highest hide tide line out to the point on the continental shelf exposed by the biggest low tide. |
| neritic zone | the area of the ocean that extends from the lowest line out to the edge of the continental shelf. |
| Open-Ocean Zone | the deepest, darkest area of the ocean beyond the continental shelf. |
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