How did al-Rāzī contribute to new medical treatments? He taught medicine at a medical school in Baghdad.
He proved Greek and Indian physicians wrong about diseases.
He wrote about how to treat diseases like smallpox and measles.
He was the author of an important book called The Canon of Medicine.

By the year 1900 new york city had more than just people of british heritage. there were more people of italian descent than the cities of florence, genoa and venice put together. it was home to more irish than dublin (the capital of ireland) and more germans than hamburg. joining them were many thousands of people of polish, hungarian, and czech descent. what term best describes new york cities changing culture? a a pot of chili b a bowl of sugar c a cup of coffee d a slice of cheese