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