Baghdad is on the Tigris; which river is the Iraqi city of Fallujah on?

In the 1580s, which Russian tsar killed his own son and heir in a fit of rage? Which director made the films "Badlands," "Days of Heaven" and "The Thin Red Line"? Which U.S. city has been nicknamed "Baghdad by the Bay" and "The Golden Gate City"? Baghdad, Iraq, lies on which river of the Fertile Crescent? In Charles Dickens's "A Christmas Carol," what is Scrooge's first name? Bahia and fescue are types of what? What baked clay, Italian for "baked earth," is often used for busts and reliefs? Baking soda is also called sodium what?