A) Los Angeles, California B) Austin, Texas C) Denver, Colorado D) Hot Springs, South Dakota
A) 1980 B) 1965 C) 1990 D) 1974
A) A glacier B) A cave C) The sinkhole D) A riverbed
A) Excessive predation by lions B) Nuclear war C) Climate change and habitat loss D) Alien interference
A) An amusement park B) Educational exhibits C) A movie theater D) A restaurant
A) A canyon B) A valley C) A sinkhole D) A glacier
A) The variety of dinosaurs B) The age of the rocks C) The presence of ancient humans D) The number of mammoth specimens
A) About the ecosystem and climate of the time B) About ancient human civilizations C) About extraterrestrial life D) About dinosaurs
A) The Mammoth Site of Hot Springs, South Dakota, Inc. B) South Dakota State Conservation C) National Park Service D) Smithsonian Institution |