Question: How many Great Lakes form a border with Canada?
Answer: four

Question: Which of the Great Lakes is entirely located in US territory?
Answer: Lake Michigan

Question: Which major river is located west of the Appalachian mountains?
Answer: Mississippi River

Question: What type of land makes up the Ohio and Tennessee valleys?
Answer: rolling hills and productive farmland

Question: Which section of the US contains subtropical forests and mangrove wetlands?
Answer: southeast United States

Question: What area is located in between the Mississippi River and the Rocky Mountains?
Answer: The Great Plains

Question: In which area are a large number of the country's agricultural products grown?
Answer: the Great Plains

Question: How high does elevation rise in the Great Plains?
Answer: a mile high

Question: What is the only major mountain ranged located between the Appalachian Mountains and the Rocky Mountains?
Answer: Interior Highlands

Question: Which northern country do the Rocky Mountains begin at?
Answer: Canada

Question: Which northern country do the Rocky Mountains terminate at?
Answer: Mexico

Question: In the US, which region is the highest by elevation?
Answer: The Rocky Mountain

Question: In which state are the highest peaks of the Rocky Mountains found?
Answer: Colorado

Question: What is the name of the plateau that lies west of the Rocky Mountains?
Answer: Intermontane Plateaus

Question: What is the name of the large southern portion of the Intermontane Plateaus?
Answer: the Great Basin

Question: What type of flats compose the Great Basin?
Answer: salt flats

Question: What region is centered around the Four Corners?
Answer: Colorado Plateau

Question: What is the name of the range where the Intermontane plateaus end?
Answer: Cascade Range

Question: Which mountain range contains Mount Whitney?
Answer: Sierra Nevada

Question: What type of mountains compose the Cascades?
Answer: volcanic mountains

Question: What is the largest point in the Sierra Nevadas?
Answer: Mount Whitney

Question: How tall is Mount Whitney?
Answer: 14,505 ft

Question: What are two national parks located in the mountainous regions?
Answer: Yosemite and Mount Rainier

Question: What is the name of the famous valley located in California?
Answer: Central Valley

Question: What is the name of the famous valley located in Oregon?
Answer: Willamette Valley

Question: What are the low mountain ranges that are located along the pacific coast called?
Answer: Pacific Coast Ranges

Question: What are the tallest trees in the world?
Answer: Redwoods

Question: Why does the Appalachian Highland have the terrain it does?
Answer: crustal deformations

Question: During what geological period did the Appalachian mountains reach their highest formation point?
Answer: Permian time

Question: What is the name of the mountaneous region along the Atlantic cost. 
Answer: The Appalachian Highland

Question: What originally covered the east coast of the Appalachians?
Answer: forest

Question: What are the two branches of the Cordilleran system?
Answer: Rocky Mountain System and the Pacific Mountain System

Question: Which two major rivers are located in the Cordilleran system?
Answer: Columbia River and Colorado River

Question: Which region of the Appalachians is the most arid?
Answer: southwest

Question: What is one of the two major highlands that stretch from the gulf of mexico to the Arctic ocean?
Answer: Laurentian Highlands

Question: How far north do the Interior Highlands reach?
Answer: Arctic Ocean

Question: Which two nations are the central plains divided in?
Answer: Canadian and a United States

Question: Where does the Mississippi discharge?
Answer: Gulf of Mexico

Question: What is the climate like in the Southern United States?
Answer: subtropical

Question: Hawaii has what type of climate?
Answer: tropical

Question: Which state is known for its Mediterranean climate?
Answer: California

Question: What contributed to the rise of the US as a world power?
Answer: agricultural climate

Question: What is the climate like in most areas of the US?
Answer: temperate

Question: Which areas have arid regions?
Answer: The Great Basin and Columbia Plateau

Question: What is the precipitation average in the Intermontane plateaus?
Answer: 15 inches

Question: In the southwest, how high do temperatures get?
Answer: 100 °F (37.8 °C)

Question: During which months are portions of the US affected by the monsoon from the Gulf of California?
Answer: July to September

Question: What type of weather do monsoons bring?
Answer: severe thunderstorms

Question: What is the most prevalent type of climate nCalifornia?
Answer: Mediterranean

Question: During what time of the year does California receive the most rainfall?
Answer: October–April

Question: Which region of the US experiences rain year round?
Answer: Pacific Northwest

Question: Which region in the US is also one of the most snowiest places in the world?
Answer: The Cascades

Question: How many inches of snow do regions of the Cascades receive?
Answer: 600 inches

Question: Which mountainous region receives the highest snowfall on Earth?
Answer: mountains of the western states

Question: Which mountain in Washington receives the most amount of snowfall?
Answer: Mount Rainier

Question: What is the record amount of snowfall at Mount Rainer?
Answer: 1,122 inches

Question: In what year did Mount Rainer receive a record amount of snowfall?
Answer: 1998-99

Question: The Sierra Nevadas are located near which lake?
Answer: Lake Tahoe

Question: Which region of the US receives the most amount of rainfall?
Answer: northwestern Pacific coast

Question: What is the average amount of rainfall that the Quinault rainforest in Washington receives?
Answer: 137 inches

Question: Which regions in the East receives the most amount of snowfall?
Answer: Great Lakes and the mountains of the Northeast

Question: Which state receives an average of 460 inches of rainfall per year?
Answer: Hawaii

Question: What is the name of the desert that is located in the driest region in the US?
Answer: Mojave Desert

Question: Where are tornadoes most common on Earth?
Answer: central portions of the U.S.

Question: During which seasons are tornados most common?
Answer: spring and summer

Question: Which regions experience the worst flooding in the US?
Answer: Appalachian region and the Midwest

Question: Which region experiences the worst droughts in the US?
Answer: Southwest

Question: What type of disasters affects the western US every year?
Answer: wildfires

Question: The Great Mississippi occurred during what year?
Answer: 1927

Question: What fuels wildfires and causes them to spread in the west?
Answer: desert shrub

Question: What type of storms can cause most activity to stop?
Answer: Nor'Easter snowstorms

Question: What is the name of the event that caused major flooding in the western US?
Answer: El Niño

Question: What is the area in the pacific known for heavy volcanic activity?
Answer: Pacific Ring of Fire

Question: Which Hawaiin volcano has been erupting since 1983?
Answer: Kilauea

Question: The Pacific Ring of Fire contains what percentage of the earthquakes on Earth?
Answer: 90%

Question: When was the last time that the Hawaiin islands experienced a life threatening volcanic eruption?
Answer: 17th century

Question: What year did Mt St. Helens erupt causing devastating damage?
Answer: 1980

Question: When did Audio CDs become available for purchase?
Answer: 1982

Question: What does SVCD stand for?
Answer: Super Video Compact Disc

Question: What were CD's originally created to store?
Answer: sound recordings

Question: In what year were compact discs realesed for purchase?
Answer: 1982

Question: What was the original intended format for CDs?
Answer: data storage

Question: In what year were digital and physical music sales the same?
Answer: 2014

Question: How many CDs had been distrubuted worldwide by 2007?
Answer: 200 billion