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