Answer:
1) Water is made up of hydrogen and oxygen, and it exists in gaseous, liquid, and solid states. Water is one of the most plentiful and essential compounds, occurring as a liquid on Earth's surface under normal conditions, which makes it invaluable for human uses and as plant and animal habitat.
2) Carbohydrates, or carbs, are sugar molecules. Along with proteins and fats, carbohydrates are one of three main nutrients found in foods and drinks. Your body breaks down carbohydrates into glucose. Glucose, or blood sugar, is the main source of energy for your body's cells, tissues, and organs.
3)Proteins are essential nutrients for the human body. They are one of the building blocks of body tissue and can also serve as a fuel source. As a fuel, proteins provide as much energy density as carbohydrates: 4 kcal per gram; in contrast, lipids provide 9 kcal per gram.
4) the solid residue left when combustible material is thoroughly burned or is oxidized by chemical means.
5) Vitamins are substances that your body needs to grow and develop normally. There are 13 vitamins your body needs. They are. Vitamin A. B vitamins (thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B-6, vitamin B-12 and folate)
