The hospital is an important public health tool for addressing heart disease
Ionic bonds are the bonds where there is a complete transfer of valence electrons. It is a bond between two oppositely charged ions. Metal loses electrons to become positively charged cation while the nonmetal accepts the electrons.
Answer:
a calorie because The amount of energy in an item of food or drink is measured in calories. When we eat and drink more calories than we use up, our bodies store the excess as body fat. If this continues, over time we may put on weight. As a guide, an average man needs around 2,500kcal (10,500kJ) a day to maintain a healthy body weight.
Explanation: