Which president is buried in the Old North Cemetery in Concord, New Hampshire?

At the mouth of the Mississippi River, deposits of which major class of rock are said to be more than 40,000 feet thick? Which 1997 film followed "Batman," "Batman Returns" and "Batman Forever" in the series? Which president is buried in the Notch Cemetery in Plymouth, Vermont, the village where he was born? Which president is buried at Oak Ridge Cemetery in Springfield, Illinois? At Olduvai Gorge in 1959, which scientist, working with her husband Louis, found a 1.75-million-year-old Australopithec… At the Olympics, a race of about 437 yards equals how many meters? At the opening of the 1952 Helsinki Games, which winner of nine Olympic gold medals carried the torch into the stadium? At the opposite end of the visible spectrum from ultraviolet lies which kind of radiation?