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Why is the presence of a pycnocline such an important factor in controlling biologic productivity? (select all that apply) O Mixing between the deep and surface waters allows nutrient-rich deep water to move to the surface where productivity is limited by the availability of nutrients The pycnocline creates a density barrier, preventing nutrient-rich water from mixing with the surface water O Mixing between the deep and surface waters brings cool, deep waters to the surface where productivity is limited by high temperatures

Why is the presence of a pycnocline such an important factor in controlling biologic productivity? (select all that apply) O Mixing between the deep and surface waters allows nutrient-rich deep water to move to the surface where productivity is limited by the availability of nutrients The pycnocline creates a density barrier, preventing nutrient-rich water from mixing with the surface water O Mixing between the deep and surface waters brings cool, deep waters to the surface where productivity is limited by high temperatures

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Why is the presence of a pycnocline such an important factor in controlling biologic productivity? (select all that apply) Mixing between the deep and surface waters allows nutrient-rich deep water to move to the surface where productivity is limited by the availability of nutrients The pycnocline creates a density barrier, preventing nutrient-rich water from mixing with the surface water Mixing between the deep and surface waters brings cool, deep waters to the surface where productivity is limited by high temperatures
Transcribed Image Text:Why is the presence of a pycnocline such an important factor in controlling biologic productivity? (select all that apply) Mixing between the deep and surface waters allows nutrient-rich deep water to move to the surface where productivity is limited by the availability of nutrients The pycnocline creates a density barrier, preventing nutrient-rich water from mixing with the surface water Mixing between the deep and surface waters brings cool, deep waters to the surface where productivity is limited by high temperatures
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