What are the so-called greenhouse gases that trap heat?
a) carbon dioxide, methane, nitrous oxide, ozone, chlorofluorocarbons
b) oxygen, water vapor, black carbon, carbon dioxide
c) hydrogen, nitrogen, sulfur dioxide, oxygen
d) carbon dioxide, methane, oxygen, ozone
e) ozone, smog, nitrous oxide, aerosols
A
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Which of the following statements is TRUE regarding Chinese migration?
A) Migration is usually from the coastal provinces to the rural interior. B) Migration is usually abroad to Vietnam, North Korea or Mongolia. C) Migration is usually from the rural interior to coastal provinces. D) Migration usually involves short distance within individual provinces. E) Migration is usually from south to north, as was the case in the United States during the Industrial Revolution.
Most deaths from the 2010 earthquake in Haiti were due to
A) a large tsunami that swept into the island from the north. B) a large tsunami that swept into the island from the south. C) a large landslide that buried the capital city. D) collapse of buildings. E) All of these are correct.
The anthropoids appear in the fossil record by the late Eocene
a. True b. False
In the diagram below, which layer(s) correspond to the mantle?
A. 3 and 4 B. 3 C. 4 D. 1 and 2