Explore the pros and cons of the Keystone XL pipeline, fracking for shale gas, and mountaintop-removal coal mining
What will be an ideal response?
Of course, the Keystone XL pipeline would bring more jobs and more oil to the United States. It would be imported from Canada, but would not be coming from as long of a distance as importing from other countries. Problems with this pipeline could include possible leaks (including into ecologically important areas).
The benefit of fracking for shale gas includes increasing U.S. domestic natural gas supply (a clean energy source) because we have an abundance of shale gas. Disadvantages include the need to store and dispose of the hydraulic fluid and water used in the process.
Removing coal from the mountaintop-removal process decreases the chance of death and disaster related to underground coal mining that we have experienced historically and recently. However, this process is environmentally destructive to the area, converting ecosystems into restoration projects.
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A) large metropolises with heavy combustion of coal for power. B) large metropolises with heavy automobile use. C) rural areas experiencing the burning of forests. D) rural areas with heavy combustion of coal for power.
How could changes in Earth's tilt influence global climate?
A) A high angle of tilt causes snow and ice to fall off the planet. B) A minimum angle of tilt causes high latitudes to receive less sunlight during the summer, causing an increase in glaciers. C) A maximum angle of tilt causes Earth to reflect more sunlight into space, causing an increase in glaciers. D) A high angle of tilt causes the continents to move away from the poles leading to more glaciers.
The predominant language in Northern Africa is the
A. Arabic B. French C. Italian D. Turkish
A link table used in ArcMap for georeferencing shows X Source, Y Source, X Map, and Y Map. Which pair represents the estimated location of the control point?
A. X Map and Y Source B. X Map and Y Map C. X Source and Y Source D. X Source and Y Map