A) Colorado River B) Rio Grande C) Columbia River D) Mississippi River
A) Kaibab Limestone B) Coconino Sandstone C) Vishnu Schist D) Toroweap Formation
A) 10 miles B) 30 miles C) 18 miles D) 25 miles
A) Glacial Activity B) Erosion C) Tectonic Uplift D) Volcanic Activity
A) Eagle Rock B) The Fortress C) Dragon's Head D) The Battleship
A) Franklin D. Roosevelt B) Abraham Lincoln C) Theodore Roosevelt D) Thomas Jefferson
A) Spring B) Summer C) Winter D) Fall
A) 11,000 feet B) 9,000 feet C) 7,000 feet D) 5,000 feet
A) Nevada B) Colorado C) Arizona D) Utah
A) Yellowstone National Park B) Zion National Park C) Grand Canyon National Park D) Yosemite National Park
A) About 2 million years ago B) About 5 to 6 million years ago C) About 20 million years ago D) About 10 million years ago
A) Christopher Columbus B) García López de Cárdenas from Spain C) Francisco Vásquez de Coronado D) Hernán Cortés
A) Kali Gandaki Gorge in Nepal B) Fish River Canyon in Namibia C) Colca Canyon in Peru D) Yarlung Tsangpo Grand Canyon in China
A) The Grand Discontinuity B) The Great Unconformity C) The Major Break D) The Time Gap
A) Aeolian sand dune deposition B) Warm shallow seas C) Near-shore environments like beaches D) Swamps
A) The formation of the Rocky Mountains B) The Cretaceous-Paleogene extinction event C) The opening of the Gulf of California D) The Laramide orogeny
A) Between 1.25 billion and 730 million years ago B) Between 500 million and 300 million years ago C) Between 2 billion and 1.5 billion years ago D) Between 1.75 billion and 1.25 billion years ago
A) The Westernmost Grand Canyon segment B) The Eastern Grand Canyon segment C) The Marble Canyon segment D) The Hurricane segment
A) Kaibab Limestone B) Redwall Limestone C) Coconino Sandstone D) Vishnu Schist
A) Increased water flow due to melting glaciers B) Formation of new rivers C) Decreased water flow due to droughts D) Stabilization of river channels
A) Only influenced by surface water B) An active area of study C) Irrelevant to geological studies D) A well-documented and fully understood process
A) The presence of wildlife B) The temperature of the region C) The amount of rainfall D) The composition of the earth
A) Less permeable rock layers like clay B) Water C) Sandstone D) Limestone
A) The Coconino Sandstone aquifer B) The Toroweap Formation aquifer C) The Kaibab aquifer D) The Red Wall Muav aquifer
A) A surface water body B) An unconfined aquifer C) A karst aquifer D) A confined aquifer with no fractures
A) The R-aquifer B) The C-aquifer C) Neither, as there are no springs D) Both have equally large springs
A) Less than a quarter B) None C) All of it D) Almost half
A) The Sinagua B) The Ancestral Puebloans C) The Navajo D) The Cohonina
A) Stone builders B) River dwellers C) Peaceful people D) "Enemy ancestors" or "alien ancestors"
A) Around 1200 BCE during the Basketmaker II Era B) 16th century C) 1425 CE D) 500 CE
A) The Yuman B) The Hualapai C) The Havasupai D) Several Hopi clans
A) Southeast of the Grand Canyon B) Along a 100-mile stretch on the southern side C) In the central region D) To the west of the Grand Canyon
A) Endless B) Magnificent C) Inaccessible D) Profound
A) Lieutenant Joseph Ives B) John Strong Newberry C) Edward Fitzgerald Beale D) Jacob Hamblin
A) Lieutenant Joseph Ives B) James Ohio Pattie C) Edward Fitzgerald Beale D) John Strong Newberry
A) Major John Wesley Powell B) Frank M. Brown C) Jacob Hamblin D) Captain Joseph R. Walker
A) 1857 B) 1871 C) 1869 D) 1889
A) 1871 B) 1857 C) 1919 D) 1908
A) Sonoran Desert B) Mojave Desert C) Ponderosa and pinyon pine forests D) North Rim
A) 5.6% B) 9.3% C) 12.1% D) 7.4%
A) canyon tree frog B) Woodhouse's Rocky Mountain toad C) leopard frog D) red-spotted toad
A) Rye grass B) Black grama C) Indian ricegrass D) Blue grama
A) 65 B) 25 C) 79 D) 53
A) Ten percent B) 63 C) A dozen D) 11%
A) gila monsters B) rattlesnakes C) geckos D) chuckwallas
A) Solar panels B) Scrubbers C) Low-NOx burners D) Carbon capture systems
A) Requested modifications to the plan B) Approved the project C) Postponed the decision D) Voted against the project
A) 11% B) 63% C) A dozen D) Ten percent
A) 1945 B) 1980 C) 1926 D) 1960s
A) Polar B) Subtropical C) Temperate D) Neotropical
A) black widow spiders B) tarantula hawks C) monarch butterflies D) orange paper wasps
A) 95% B) 70% C) 83% D) 50%
A) Mountain mahogany B) Needlegrass C) Gambel oak D) Ponderosa pine
A) Utah agave B) Big sagebrush C) Four-winged saltbush D) Creosote bush
A) 50 B) 75 C) 90 D) 120
A) Grizzly bear B) California condor C) Gray wolf D) Mountain lion
A) 8 inches (200 mm) B) 144 inches (370 cm) C) Less than 16 inches (41 cm) D) 60 inches (150 cm)
A) Since 1985 B) Since 1990 C) Since 1974 D) Since 1903
A) Oak, maple, birch, elm B) Ponderosa pine, lodgepole pine, redwood, sequoia C) Engelmann spruce, blue spruce, Douglas fir, white fir D) Cedar, juniper, willow, aspen
A) 1906 B) 1923 C) 1935 D) 1919
A) 1965 B) 1956 C) 2020 D) 2001
A) 79 B) 65 C) 128 D) 53
A) Spruce-fir forests B) Pine-oak forests C) Bamboo-jungle forests D) Cedar-hemlock forests
A) Captain Joseph R. Walker B) Robert Brewster Stanton C) Frank M. Brown D) John Strong Newberry
A) 2019 B) 1997 C) 2020 D) 2005
A) Pacific storms B) The North American Monsoon C) High-elevation snow D) Seasonal pattern shifts
A) 2016 B) 1984 C) 2014 D) 2007
A) Complete water diversion B) Permanent dam closure C) "Adaptive management" using a High-Flow Experiment (HFE) D) Wildlife relocation program
A) 90 B) 25 C) 75 D) 51
A) blackbrush B) creosote bush C) brittlebush D) four-winged saltbush
A) Woodrow Wilson B) Harry S. Truman C) Theodore Roosevelt D) Franklin D. Roosevelt
A) Canada B) United Kingdom C) Germany D) Japan
A) 10 B) 15 C) 5 D) 20
A) 10 B) 25 C) 16 D) 33
A) Reduce water supply B) Build a new pipeline from the South Rim C) Increase tanker deliveries D) Replace the aging 16-mile aluminum pipeline
A) Owls B) Golden eagles C) Peregrines D) Hawks
A) 7 B) 53 C) 23 D) 25
A) bass B) rainbow trout C) salmon D) humpback chub
A) 242 B) 128 C) 79 D) 53
A) mariola B) big sagebrush C) creosote bush D) brittlebush
A) rattlesnake B) chuckwalla C) gila monster D) western banded gecko
A) caddisflies B) mayflies C) fire ants D) stoneflies
A) December 23, 1990 B) June 26, 1974 C) February 1, 1985 D) January 1, 1919
A) Los Angeles B) New York City C) Scottsdale D) The Grand Canyon
A) 25% B) 30% C) 10% D) 17%
A) peregrine falcon B) great blue heron C) bald eagle D) red-tailed hawk
A) Upper Sonoran B) Lower Sonoran C) Transition D) Canadian
A) 25 B) 79 C) 65 D) 53
A) tamarisk (saltcedar) B) western honey mesquite C) canyon tree frog D) catclaw acacia
A) 75 B) 100 C) 30 D) 52
A) Drowning in the Colorado River B) Dehydration C) A self-inflicted gunshot wound D) A fall
A) Reduce 30 percent below 2008 levels by 2020 B) Reduce emissions by 50% by 2015 C) Increase emissions by 10% by 2025 D) Maintain current emission levels until 2030
A) North Rim B) Mojave Desert C) Sonoran Desert vegetation D) Ponderosa and pinyon pine forests
A) 129 B) 50 C) 200 D) 75
A) Mojave Desert cactus B) Sonoran Desert shrub C) Tassel-eared squirrel D) Ponderosa pine
A) Frequent rainfall B) Dehydration C) High humidity D) Low temperatures in summer
A) Garter snake B) Mountain short-horned lizard C) King cobra D) Rattlesnake |