A high concentration of oxygen 16 found in the ice caves of Antarctica and Greenland would
indicate __________ at the time the ice was formed.
a. cold air temperatures
b. mild winters
c. intense ultraviolet radiation
d. the caves were under the ocean
a
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Early city-based societies (Mesopotamian, Mayan, Roman) flourished because of their ability to control labor power and
A) reurbanize. B) overurbanize. C) counterurbanize. D) impose taxes and exact tributes. E) maintain traditional practices.
Over the past ten years, the energy furnished by hydroelectricity worldwide decreased by about 18 percent.
Answer the following statement true (T) or false (F)
Match the soil order with the environment in which it will form
A) Tropics B) Wetlands/bog C) Humid/conifer forest D) Grasslands/prairie 1) Oxisol 2) Histosol 3) Spodosol 4) Mollisols
The famous destruction of the Roman city of Pompeii was produced by ________
A) a large cinder cone burying the city in tephra B) a pyroclastic eruption from a composite volcano that buried the city in ash and smothered the people living there C) a volcanic mudflow from Mt. Vesuvius that buried the people and the city D) a composite volcano erupted lava that buried the city, fossilizing people who were overridden by the fast moving flows