A) Volcanic B) Igneous C) Metamorphic D) Sedimentary
A) Precambrian B) Mesozoic C) Cenozoic D) Paleozoic
A) Redwall Limestone B) Bright Angel Shale C) Vishnu Schist D) Kaibab Limestone
A) Yellowstone National Park B) Zion National Park C) Grand Canyon National Park D) Yosemite National Park
A) Hermit Shale B) Redwall Limestone C) Devil's Corkscrew D) Bright Angel Shale
A) Nile River B) Colorado River C) Missouri River D) Rio Grande
A) Coconino Sandstone B) Kaibab Limestone C) Supai Formation D) Moenkopi Formation
A) Nevada B) California C) Utah D) Arizona
A) Temperate climate B) Tropical climate C) Desert climate D) Polar climate |