The sedimentary sequences that form on passive margins are predominantly ________.
A. sandstones
B. andesitic flows
C. limestone
D. shale, limestone, and sandstones
E. shale
Answer: D
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These three regions are regions of net immigration:
A) Asia, Africa, Latin America B) Africa, Oceania, Latin America C) North America, Europe, Oceania D) North America, Asia, Oceania E) Oceania, Latin America, Europe
Which of the following Earth materials can be used to make interpretations about the nature and composition of the interior of the Earth?
A) Meteorites B) Diamond-bearing kimberlite pipes C) Slivers of crustal and mantle rocks exposed at the surface D) Meteorites, kimberlite pipes, and slivers of crustal and mantle rocks E) Groundwater and vapors in geothermal systems
What is one of the components of a sustainability revolution?
A. population stabilization B. consume and throw away C. fossil fuels as a primary energy source D. high resource utilization E. reduced biodiversity
Since the 1986 ban on leaded gasoline in the United States,
A. there have been no appreciable improvements as a result of this legislation. B. children's blood lead levels have continued to rise, calling into question the effectiveness of the legislation. C. children's average blood lead levels have dropped and average IQ's have risen.