When volcanoes erupt, they emit ________ into the atmosphere, resulting in a cooling effect on the planet
A) nitrous oxide B) water vapor C) sulfate aerosols D) methane
C
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Glaciers reshape Earth's surface because they
A) move tectonic plates. B) pluck rocks out of the ground, carry them away, and deposit them. C) move slowly. D) contain enormous amounts of water.
Which of the following best illustrates sound science?
A) Asking voters to determine if windmills should be placed in their community B) Measuring wind velocities to determine the cost-effectiveness of windmills in a region C) Selecting a source of energy based upon profitability and yield of tax dollars D) Lobbying government officials to increase drilling for offshore oil
Which of the following organisms has the greatest instrumental value?
A) Salmon B) Termites C) Mosquitoes D) Lichens
Most environmental lawsuits are ____ suits.
A. administrative B. regulatory C. civil D. statutory E. criminal