In general, foods are made up of carbohydrates, proteins, and fats, each of which provide a different number of calories: 1  Carbohydrates provide 4 calories per gram. 2  Proteins provide 4 calories per gram. 3  Fats provide 9 calories per gram.
Importance of Water. Water is used for various important purposes: Water in Agriculture. Water plays the most important role in agriculture. Agriculture is impossible without irrigation throughout the crop season. Irrigation ensures proper plant growth.
Benefits for Life & Health. Water is a vital nutrient for your body and it is our most important staple food. Drinking water is the healthiest, most natural way to hydrate. A sufficient water supply supports health and well-being, since water contributes to the preservation of normal physical and cognitive functions. Gerolsteiner not only refreshes the body, but also supplies it with valuable minerals.