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Mathematics 13 Online
OpenStudy (anonymous):

3. In the video there is the statement that the rock wall in the mesopelagic zone was coral during the last ice age. How did the coral get so deep since the ice age?

Directrix (directrix):

What I am reading is that a drop in sea level caused this. Read here to see what you think: http://www.britannica.com/EBchecked/topic/365256/marine-ecosystem And, please post this question in the Biology section. You are currently in the Math section. Thanks. @iknowit

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