The north pole of a magnet
A. repels a north pole of another magnet.
B. attracts a south pole of another magnet.
C. both of these
D. none of these
Answer: C
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The exchange of carbon dioxide between the ocean and the atmosphere
A) results in a net transfer of carbon dioxide from the oceans to the atmosphere. B) is unaffected by the partial pressure of carbon dioxide in the atmosphere. C) will lead to increased amounts of carbon dioxide in the oceans if the ocean temperature rises significantly. D) results in the removal of some carbon dioxide by phytoplankton.
Which country is most likely to have few or no international rivers?
A) Germany B) France C) Austria D) the United Kingdom
What do the Iraqi invasion of Kuwait in 1990 and the U.S. invasion of Iraq in 2003 have in common?
A) Both were unilateral actions. B) Amphibian forces were primarily used in each attack. C) Concerns over control of oil supplies in the Middle East were a major motive in both cases. D) Widespread famine occurred after each of these conflicts. E) Iraq won both conflicts.
How can you tell if the winds entering a cyclone will be fast or slow on a particular day?