Which metal would not be found in hydrothermal veins?
A. zinc
B. lead
C. silver
D. gold
E. aluminum
Answer: E
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The main activity of the U.N. initiated Intergovernmental Panel on Climate Change (IPCC) is
A. to establish policies for countries to follow. B. to provide financial support to third world countries. C. to provide regular assessments of knowledge about climate change and its consequences. D. None of these are correct.
Britain's dominance of the world-system in the eighteenth and nineteenth centuries was helped most by which of the following?
A) naval power
B) the fall of Napoleon
C) decline of the Roman Empire
D) British prowess in land battles
What is the name of the species formed when a sodium atom loses an electron?
A) sodate B) sodide C) sodium D) sodium ion
In which region has world population massively increased since 1900?
A) developed regions B) developing regions C) Africa and Western Europe D) Australia and the Pacific World E) North America and South America