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