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