What is a parasitic relationship of the savanna?

What sea lies between Dover and Calais? Is the Sahara desert flat or rocky? What is the part of a river that flows into another body of river? How much of Earth is covered by dry land? What is an example of a beach? How has the tower of london been used over the past few years? What states do you pass through driving from Ohio to Virginia? Why were castles drafty? What is the scariest ride at chessington? What is the current status of Barmuda Triangle? Who owns creeks and streams? How is earth atmosphere like an ocean how is it unlike an ocean? What nickname is often given to the Appalachian plateau? How far is it from Alexandria Virginia to the Washington Monument? Are cardinals legal to be kept in a cage? Can a deed be contested on the grounds of undue influence in Mississippi? Name someone who holds a torch in their hand? A famous mouth of a river? Why did the river valleys remain fertile? Give an example of civilization in a sentence?