Which of the following has the longest wavelength?
A) thermal infrared
B) radio
C) gamma
D) ultraviolet
Answer: B
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The energy source with the highest net energy ratio for transportation is
a. gasoline b. coal liquefaction c. natural gas d. oil shale e. ethanol from sugar cane residue
Why might a biome not move its boundaries in response to climate change?
A) The geographical area is surrounded by mountains B) Human structures don't allow the change to occur C) The organisms are not very mobile D) The plants and animals are very dependent on the existing soil type
Land subsidence that results from petroleum mining ____
a. ?is a necessary cost of fossil fuel production b. ?can be mitigated by pumping fluid into the well c. ?is a problem in the Middle East, but not in the United States? d. ?will be avoided if the well hole is sealed and capped after use e. ?follows a different process than subsidence from groundwater mining
The concept of sustainable development includes ________
A) the importance of developing the arts B) growth in profits from international trade C) convenience and global economic improvements D) each nation being sovereign over its own resources, to be used as its citizens deem appropriate E) the needs of future generations