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What are sinkholes?
Does the Bakken Formation contain more oil than Saudi Arabia?
What causes drought?
Do iceworms exist?
Learn about eutrophication
What is carbon sequestration?
Will the oil in the Bakken Formation free us from depending on foreign oil?
Will California eventually fall into the ocean?
How are earthquakes recorded? How are earthquakes measured? How is the magnitude of an earthquake determined?
What is fracking?
USGS Spotlight Questions