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.
In conclusion, drinking water is a very important thing to our bodiesâ health. Not only human, but also all of the organisms need water to survive. The importance of drinking water for our bodies is paramount to our health, because it makes up to 70 percent of our bodiesâ weight. There are four fulfilling benefits of drinking water to our bodies, such as it can speed up our metabolisms, make our skins healthier, lose our weight, and stay alert.