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Terms [A]

Oceanography Terms [A]

QuestionAnswer
abiotic without life
absolute dating the use of radioisotope half-lives to determine the age of rock units in years
abyssal clay deep-ocean deposits containing less than 30% biogenous sediment
abyssal hill volcanic peaks rising less than 1 km above the ocean floor
abyssal plain a flat depositional surface extending seaward from the continental rise or oceanic trenches
abyssal zone the benthic environment between 4000 and 6000 m
abyssopelagic zone oceanic zone below 400m
acid pH below 7
acoelomate without a body cavity
Created by: briguy864
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