A) Hot Springs, South Dakota B) Denver, Colorado C) Los Angeles, California D) Austin, Texas
A) 1965 B) 1980 C) 1990 D) 1974
A) A cave B) A riverbed C) The sinkhole D) A glacier
A) Nuclear war B) Alien interference C) Climate change and habitat loss D) Excessive predation by lions
A) A restaurant B) A movie theater C) Educational exhibits D) An amusement park
A) A glacier B) A valley C) A sinkhole D) A canyon
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) Smithsonian Institution B) The Mammoth Site of Hot Springs, South Dakota, Inc. C) National Park Service D) South Dakota State Conservation |