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What Is a Glacier? Everything to Know About These Ice Masses
science.howstuffworks.com/environmental/earth/geophysics/glacier.htm
Glaciers are rivers of ice and are the largest moving objects on Earth. Learn about glaciers and find out how much freshwater are frozen in glaciers.
Railroads of the 1990s
history.howstuffworks.com/american-history/1990s-railroads.htm
Railroads of the 1990s explains the history of American railroads through the 1990s. Learn about the history of railroads of the 1990s.
How Wildfires Work
science.howstuffworks.com/nature/natural-disasters/wildfire.htm
Wildfires burn about five million acres in the U.S. every year. Learn about the causes of wildfires, how wildfires behave and how firefighters fight them.
Modern Decline of Railroads
history.howstuffworks.com/american-history/decline-of-railroads.htm
The decline of railroads came about during the 1960s and 1970s as the automobile dominated transportation. Read about the decline of railroads.
Railroad Expansion
history.howstuffworks.com/american-history/railroad-expansion.htm
The railroad expansion of the middle and late 1800s changed America forever. Read more about the westward expansion of railroads.
HowStuffWorks Newsletter Quiz
www.howstuffworks.com/howstuffworks-newsletter-quiz.htm
If you took one of our recent newsletter quizzes, you've come to the right place for the answers.