1. Lgnaz Semmelweis a Hungarian doctor working in Vienna General Hospital is known as the father of hand hygiene In 1846 he noticed that the women giving birth in the medical student doctor-run maternity ward in his hospital were much more likely to develop a fever and die compared to the women giving birth in the adjacent midwife run maternity ward . As a result, Semmelweis imposed a new rule mandating handwashing with chlorine for doctors. This made everyone believe that washing hands is a good way of keeping Hyhiene. 
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3. This is an example of Identity some components of the system through which we get bread as an output explain the interrelation between the components you identified that qualified them as a system and explain how changes in the performance of the components you identified could affect the prices and quality of bread.

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The components of the system through which we get bread as an output include 1 Wheat production This involves the cultivation of wheat crops by farmers including factors such as land climate and agric... View the full answer