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