How many rooms are in Alcatraz?

What type of river is the Nile River? What is it like on Mount Everest? What are famous French cities? What is an antonym for not the bottom of the ocean but the F? Which great lake has the shortest retention time? What percent of the ocean's volume is made up by the mixed layer? Pronounce lake pontchartrain la? What bridge is located in lake havsau city AZ? Endless ocean where is the ghost ship? Is Virginia Falls Wood Buffalo Park Great Bear Lake or Great Slave Lake in the Russian taiga? 5 islands in the Pacific Ocean? Why was the danville clock tower built? In the Bahamas what is the longest river? Where is the summit of Mount Everest? Why did the french build fort duquesne where the allegheny and monongahela river meet to form the Ohio river? Is it true that a guard for the tomb of the unknown soldier cannot drink any alcohol on or off duty for the rest of their lives? What is a region drained by a river and it's tributaries? Where is Castelnaudary located at? What are the special events of the Tower of London? What is the desert vegetation also called?