5-Earth Science-Water-Ocean-Floor Zones
ocean floor zones
Ocean zones {ocean floor zones} relate to light. 0 to 600 feet has sunlight. 600 to 4000 feet has twilight. 4000 to 36,000 feet is dark. Deepest trench is 36,000 feet deep.
abyssal plain
Sea floor {abyssal plain} is 34 F and has 1000-atmosphere pressure.
continental shelf
Under-sea continent region {continental shelf}| is 8% of ocean and is 400 to 600 feet deep.
continental slope
Continental shelf goes down to sea floor {continental slope}.
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Date Modified: 2022.0225