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