What is the outermost layer of the atmosphere called?
Exosphere
In 1913, which activist for women's suffrage in the United Kingdom, was fatally injured when she was trampled by King George V's horse at the Epsom Derby?
Emily Davison
Which European river flows through 4 capitals and forms some of the borders of 10 countries?
Danube
In American football, what is the nickname for Baltimore?
Ravens