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Displaying 51 - 60 of a total of 100 Frequently Asked Questions

Rare earth elements include 17 elements: Yttrium, Scandium, and the Lanthanide Series. Image Credit: Peggy Greb, Agricultural Research Service, USDA
What are rare earth elements, and why are they important?
U.S. Geological Survey
Photograph of tar sands mining, Alberta, Canada
What are tar sands?
American Geosciences Institute
An early example of a floating offshore wind turbine. Image Credit: NREL/Photo by Senu Sirnivas
What are the advantages and disadvantages of offshore wind farms?
American Geosciences Institute
An example of anthracite coal, the purest grade of coal. Image Copyright © Dr. Richard Busch.
What are the different types of coal?
U.S. Geological Survey
2014 Oso, Washington Landslide. Image Credit: USGS/Photo by Mark Reid
What are the different types of landslide hazard maps? What do they mean?
U.S. Geological Survey
An irrigation canal in Montana. Image Copyright © Marli Miller, University of Oregon. http://www.earthscienceworld.org/images
What are the effects of contaminants on water quality?
American Geosciences Institute
Power lines. Image Credit: U.S. Department of Energy
What are the energy-related carbon dioxide (CO2) emissions by source and sector for the United States?
U.S. Energy Information Administration
Mine trucks moving material from the Cripple Creek and Victor Gold Mines in Colorado. Image Credit USGS/Photo by Yolanda Fong-Sam
What are the main methods of mining?
American Geosciences Institute
Total primary energy use in the United States in 2016 by source and sector. Image Credit: U.S. Energy Information Administration
What are the major sources and users of energy in the United States?
U.S. Energy Information Administration
Inundation at Pago Pago, American Samoa, from the 2009 Samoa tsunami. Image Credit: NOAA/NGDC
What are the natural warning signs for a tsunami?
National Oceanic and Atmospheric Administration

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Popular Frequently Asked Questions

Mt. St Helens following its catastrophic 1980 eruption. Image Credit: U.S. Geological Survey/Photo by Tom Casadevall
How many active volcanoes are there in the United States?
U.S. Geological Survey
Mine trucks moving material from the Cripple Creek and Victor Gold Mines in Colorado. Image Credit USGS/Photo by Yolanda Fong-Sam
What are the main methods of mining?
American Geosciences Institute
Inundation at Pago Pago, American Samoa, from the 2009 Samoa tsunami. Image Credit: NOAA/NGDC
What are the natural warning signs for a tsunami?
National Oceanic and Atmospheric Administration
Sloughs and oxbow lakes on the flood plain of the Mississippi River south of Hannibal, Missouri. Image Copyright © Michael Collier
How can you find out how deep the water table is in a specific location?
U.S. Geological Survey
An early example of a floating offshore wind turbine. Image Credit: NREL/Photo by Senu Sirnivas
What are the advantages and disadvantages of offshore wind farms?
American Geosciences Institute