Which was one of the main benefits to use of the icebox for cooling food select all that apply provided a source for cold water , made it easier to prepare food , slowed microbial growth in food , allowed people to store a few days of food in their homes

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.