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 dietitian (or dietician) is an expert in dietetics; that is, human nutrition and the regulation of diet.A dietitian advises people on what to eat in order to lead a healthy lifestyle or to achieve a specific health-related goal. registered dietitian (RD) or registered dietitian nutritionist (RDN), is a dietitian who meets all of a set of special academic and professional requirements, including: 1  the completion of a bachelor's degree with an accredited nutrition curriculum.