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the formation of layers of water of different temperatures in large bodies of water - dams, lakes, seas and oceans.
the breaking down of large, complex food particles into smaller, soluble molecules which can be...
organisms that feed on dead organic matter and thereby release nutrients back into the soil.
bitter yellow or green alkaline fluid secreted by the liver, which serves to emulsify fats
a molecule that is converted to adenosine triphosphate (ATP) for energy storage.