Valentine, holiday, and birthday inherit from the class card. in order for the following code to be correct, what type must the reference variable card be? card = new valentine( "a", 14 ) ; card. greeting(); card = new holiday( "b" ) ; card. greeting(); card = new birthday( "c", 12 ) ; card. greeting();

•as parts of ceremonies and often to ask for peace and blessings from evil. • late at night to entertain themselves or foreign visitors at the camp. • on long journeys through the arizona desert, to keep their energy and minds boosted. • during the long winter nights, when they were cold and the land was not suitable for farming.