Science. Explain why iron sulphide is a compound and not just a mixture of the two elements iron and sulphur. Explain why iron sulphide has different properties to a mixture of iron and sulphur and also describe and explain tests that can distinguish between iron sulphide and a mixture of iron and sulphur.
General information. Dietitians are the only qualified health professionals that assess, diagnose and treat dietary and nutritional problems at an individual and wider public-health level. They work with both healthy and sick people.
A pediatric nutritionist, also called a pediatric dietitian, specializes in the dietary needs of growing infants and children. They plan nutrition programs and advise patients and their families how to develop healthy eating habits to prevent and treat health issues such as diabetes and obesity.