Shields, which usually contain rich concentrations of minerals (such as metallic ores) are located ________ of large continents such as Africa, Asia, and North America
A) along the coast
B) in the core
C) along fault scarps
D) along plate boundaries
Answer: B
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A population which is not growing will have a TFR of ________
A) 1.2 B) less than 1.0 C) 5 or higher D) zero E) 2.1
Ocean acidification results in which of the following?
A) A decrease in ocean pH, resulting in less calcium carbonate available for plankton and corals to build shells and exoskeletons B) An increase in ocean pH, resulting in more calcium carbonate available for plankton and corals to build shells and exoskeletons C) A decrease in ocean pH, resulting in more calcium carbonate available for plankton and corals to build shells and exoskeletons D) An increase in ocean pH, resulting in less calcium carbonate available for plankton and corals to build shells and exoskeletons
Which scientist first observed the rings of Saturn in 1610?
A) Christian Huygens B) Isaac Newton C) Galileo Galilei D) Johannes Kepler
Which of the following is TRUE regarding asbestos?
a. improper removal of asbestos can cause further contamination of a building b. asbestos causes health problems only when it is eaten c. the level of asbestos in a building is affected by weather conditions d. HUD requires that all asbestos-containing materials be removed from all residential buildings