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