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.
Dietitians must hold at least a bachelor's degree in dietetics, nutrition or another health science field. Some colleges and universities offer Bachelor of Science in Dietetics programs comprised of didactic curricula approved by the ADA.ietitians, or nutritionists, are health care professionals who develop and supervise diet programs that improve public health. Dietitians generally need a bachelor's degree in dietetics or a related field. Most states require dietitians to be licensed. Master's degrees are recommended for advancement.