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Estuaries are areas where fresh water from rivers meets salt water. As the river drains, it carries much nutrient-rich sediment. Many animal species depend on this food source to provide for their young.
        
             
        
        
        
Algae produces a estimated 30-50 percent of the net global oxygen .
        
             
        
        
        
Answer:
Difference Between Catabolism and Anabolism. Both anabolism and catabolism are metabolic processes, but the two are contrastingly different from each other. • Catabolism produces energy but anabolism uses energy. • In the catabolic pathways, the large molecules are broken down into small monomers whereas, in anabolism, small molecules are connected with each other, to form large molecules