On a very hot day, a tennis player produces large amounts of sweat. In response, she drinks water and her kidneys reduce urine output

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image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

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.

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b . streams flow into shallow areas.

f . movement of earth’s crust creates low areas that fill with water.