Hospitals are interested in ocean research because; the ocean floor is rich with oil and natural gas, oysters are a valuable source of copper, powerful anesthetics are found in marine organisms, fish are a valuable source of protein

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consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

actually the answer is c