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A) Among the most polluted in the world B) Rapidly deteriorating due to local industry C) Average compared to other national parks D) Some of the cleanest in the United States
A) Solar farms B) Offshore drilling C) Nuclear power stations D) Coal-fired power plants
A) Summer B) Fall C) Winter D) Spring
A) 210 miles B) 160 miles C) 50 miles D) 100 miles
A) 210 miles B) 130 miles C) 160 miles D) 100 miles
A) Ozone, mercury, and lead B) Carbon monoxide and methane C) Sulfates, soils, and organics D) Radiation and heavy metals
A) Decomposing vegetation B) Urban emissions and copper smelters C) Volcanic activity D) Forest fire smoke
A) 1996 B) 1990 C) 1999 D) 2005
A) Completely eliminate all industrial emissions B) Increase tourism through air quality marketing C) Restore visibility to natural background levels by 2064 D) Ban all vehicles within the park
A) 2011 B) 1997 C) 2019 D) 2009
A) 90% annual average reduction in SO2 B) Total elimination of all nitrate emissions C) Increased visibility due to higher temperatures D) Complete closure of the plant
A) It was shut down B) It converted to natural gas C) It expanded its capacity D) It installed solar panels
A) To clear land for new hiking trails B) To reduce potential for severe forest fires C) To improve soil fertility for tourism D) To generate electricity
A) Sulfur deposits B) River evaporation C) Mining waste D) Vehicle emissions and forest fires
A) Above the canyon rim B) In the nearby urban centers C) Near the Pacific Ocean D) Within the canyon itself
A) Ocean currents B) Distance from the ocean C) Proximity to the city of Tucson D) Elevation
A) The forested peaks B) The North Rim C) The South Rim D) The Inner Gorge
A) Twice B) Four times C) Once D) Three times
A) Winter cyclonic activity B) The Gulf Stream C) Pacific storms D) The North American Monsoon
A) 60 inches B) 8 inches C) 144 inches D) 16 inches
A) Less than 16 inches B) 60 inches C) 27 inches D) 8 inches
A) 2,500 feet B) 5,000 feet C) 1,000 feet D) 8,000 feet
A) Seasickness B) Hypothermia C) Motion sickness D) Frostbite in summer
A) Social media posts B) National Weather Service website C) Park gate signs D) Tourist brochures
A) 1990 B) 1974 C) 1903 D) 1919
A) 105 °F B) 100 °F C) 95 °F D) 110 °F
A) -10 °F B) -30 °F C) -20 °F D) 0 °F
A) South Rim B) Inner Gorge C) North Rim D) Colorado River banks
A) Permeability B) Surface tension C) Aquifer depth D) Evaporation rate
A) Sand B) Siltstone C) Shale D) Clay
A) Aquitards B) Karst zones C) Aquifers D) Fault lines
A) Confined aquifer B) Unconfined aquifer C) Surface aquifer D) Permeable aquifer
A) Karst aquifer B) Confined aquifer C) Unconfined aquifer D) Aquitard
A) Redwall Limestone B) Muav Limestone C) Temple Butte Formation D) Coconino Sandstone
A) Karst aquifer B) Surface aquifer C) Unconfined aquifer D) Sandstone aquifer
A) Seven B) Three C) Ten D) Five
A) 1,000 years B) Nearly 20,000 years C) 100 years D) 6 years
A) River water infiltration B) Local groundwater pumping C) Direct rainfall on the canyon floor D) Snowmelt from San Francisco Peaks
A) C-aquifer B) R-aquifer C) Confined aquifer D) Deep crustal aquifer
A) Grand plateau B) Kaibab plateau C) Colorado plateau D) Coconino plateau
A) Snake River B) Mississippi River C) Rio Grande D) Colorado River
A) Utah B) Arizona C) Nevada D) New Mexico
A) Franklin D. Roosevelt B) Abraham Lincoln C) George Washington D) Theodore Roosevelt
A) Francisco Vásquez de Coronado B) Juan Ponce de León C) García López de Cárdenas D) Hernán Cortés
A) 1605 B) 1540 C) 1776 D) 1492
A) The Supai Group B) The Inner Gorge C) The Colorado Plateau D) The Great Unconformity
A) Coconino Sandstone B) Vishnu Schist C) Kaibab Limestone D) Grand Canyon Supergroup
A) Differential erosion B) Volcanic activity C) Glacial movement D) Tectonic shifting
A) The Navajo B) The Havasupai C) The Hualapai D) The Pueblo people
A) Ancestral Puebloans B) Cohonina C) Sinagua D) Navajo
A) Enemy or alien ancestors B) Ancient spirits C) First people D) Canyon dwellers
A) Around 1425 CE B) Around 500 CE C) Around 1100 CE D) Around 1200 BCE
A) Cohonina B) Sinagua C) Ancestral Puebloans D) Southern Paiutes
A) Navajo B) Southern Paiutes C) Hopi clans D) Hualapai
A) 16th century B) 11th century C) 13th century D) 15th century
A) A sipapu B) The Colorado River C) A mountain peak D) The Four Corners
A) Western side B) Eastern side C) Northern side D) Southern side
A) Lees Ferry B) Lake Powell C) Black Canyon D) Desert View
A) Edward Fitzgerald Beale B) Joseph R. Walker C) John Wesley Powell D) James Ohio Pattie
A) Harrison Pearce B) Brigham Young C) Frank M. Brown D) Jacob Hamblin
A) A water canal B) A railroad line C) The gold deposits D) A wagon road
A) Whitewall B) Explorer C) Colorado D) Cibola
A) John Wesley Powell B) Joseph Ives C) John Strong Newberry D) Robert Brewster Stanton
A) 1857 B) 1889 C) 1908 D) 1869
A) They drowned in rapids B) They died of starvation C) They left on a raft D) They were murdered
A) 1908 B) 1894 C) 1919 D) 1879
A) Shivwits B) Havasupai C) Hualapai D) Hopi
A) Edward Fitzgerald Beale B) Francisco Vazquez de Coronado C) Joseph Ives D) John Wesley Powell
A) February 26, 1919 B) November 28, 1906 C) January 11, 1908 D) November 28, 1903
A) February 26, 1919 B) January 11, 1908 C) January 11, 1919 D) November 28, 1906
A) Theodore Roosevelt B) William W. Bass C) Woodrow Wilson D) Ralph H. Cameron
A) Charles Spencer B) Mary Colter C) Louis Boucher D) James Simpson Emmett
A) 1996 B) 1963 C) 2008 D) 1919
A) Overpopulation of park staff B) Air tour overflight noise C) High cost of fuel D) Lack of tourists
A) Tamarisk B) Pine C) Cactus D) Oak
A) Illegal mining activity B) Maintenance of trails C) A massive wildfire D) Extreme drought
A) John Hance & William Bass B) David Rust & Mary Colter C) John Doyle Lee & Emma Lee French D) Emery & Ellsworth Kolb
A) Elizabeth Bass B) Mary Colter C) Alice Hance D) Emma Lee French
A) 30% B) 16.5% C) 2.1% D) 9.3%
A) 2019 B) 1916 C) 1960 D) 1926
A) 16-mile aluminum pipeline B) 500,000-gallon plastic pipeline C) 24-mile steel pipeline D) 16-mile copper pipeline
A) Land subsidence B) Increased rainfall C) Improved water quality D) Increased snowpack
A) 8,000 B) 2,500 C) 1,000 D) 1,737
A) 1,737 B) 195 C) 167 D) 64
A) Ten B) One hundred C) Sixty-three D) A dozen
A) Ten percent B) Eleven percent C) Fifty percent D) Twenty percent
A) Great Basin Desert B) Mojave Desert C) Chihuahuan Desert D) Sonoran Desert
A) Mojave Desert B) Great Basin Desert C) Chihuahuan Desert D) Sonoran Desert
A) Tassel-eared squirrel B) Coyote C) Mule deer D) Bighorn sheep
A) One-half B) The full amount C) One-third D) Double
A) Sonoran Desert vegetation B) Riparian wetland C) Alpine meadow D) Ponderosa pine
A) 167 B) 64 C) 195 D) 1,737
A) 1,737 B) 195 C) 64 D) 167
A) 12 B) 11 C) 63 D) 167
A) Canyon tree frog B) Leopard frog C) Red-spotted toad D) Humpback chub
A) 33 B) 11 C) 18 D) 26
A) Ringtail B) Raccoon C) Bald eagle D) Coyote
A) 33 B) 50 C) 10 D) 41
A) Gray fox B) Coyote C) Mountain lion D) Bobcat
A) Transition B) Lower Sonoran C) Upper Hudsonian D) Canadian |