By Noble Drakoln. Silver is the whitest, most malleable and most conductive metal available. It has enjoyed a variety of uses throughout history, most notably as a form of money and jewelry. The first evidence of its use as currency dates back to around 700 B.C.E., in what is now Turkey.
A single slice of American cheese weighs 28 grams. Approximately 7 grams of that slice is fat, 5.5 grams is protein and 2 grams is carbohydrate, the U.S. Department of Agriculture reports. The rest consists of other nutrients and water. According to the USDA, a single slice of American cheese contains 95 calories. Fats provide around 72 of those calories within the serving, while proteins deliver 15 calories and carbohydrates offer 8 calories.
Processed American Cheese has the least calories at 40 calories. Provolone cheese and Swiss cheese each have 50 calories. Cheddar contains the highest amount, at 60 calories. If you choose cheddar cheese, your tuna sub will contain at least 540 calories.