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 and nutritionists counsel patients on nutrition issues. Dietitians and nutritionists are experts in food and nutrition. They advise people on what to eat in order to lead a healthy lifestyle or achieve a specific health-related goal.ietitians and nutritionists who are self-employed may meet with patients, or they may work as consultants for a variety of organizations. They may need to spend time on marketing and other business-related tasks, such as scheduling appointments and preparing informational materials for clients.