The global fish harvest was around 100 million tons in 1990 and grew to almost 180 million tons in 2010. This growth of the global fish harvest has mostly been due to increases in ________
A) volumes of the major rivers of the world B) ocean temperature
C) the use of aquaculture D) saltwater capture fisheries
C
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The least concentrated form of energy is
A. in substances near absolute zero. B. thermal energy. C. gasoline and fossil fuels. D. in spontaneous biological processes.
Most of the public health impacts from air pollution are the result of
A) acute exposure to a single pollutant. B) acute exposure to many pollutants. C) chronic exposure to a single pollutant. D) chronic exposure to many pollutants.
There is an ongoing dispute among Congress, the oil industry, environmentalists, and indigenous peoples about whether the oil reserves of northeastern Alaska's Arctic National Wildlife Refuge (ANWR) should be exploited. What are the arguments for and against developing this region?
Judge the following sentence according to the criteria given below: NASA uses a complicated working definition of life BECAUSE it must encompass the potential of extraterrestrial life
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.