Which of the following combinations make for the best groundwater reservoir?
A. high permeability and high porosity
B. low permeability and low porosity
C. low permeability and high porosity
D. high permeability and low porosity
Answer: A
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Why is carbon dioxide able to be stored more effectively in ocean water vs. fresh water?
A. The oceans are large, and so you can dissolve more CO2 in them. B. The pH of the ocean is very low, and so the carbon dioxide is trapped as an acid because like dissolves like. C. The pH of the ocean is pretty high, and so the carbon dioxide is trapped in a neutralization reaction. D. Gases are more soluble in cold water than warm water, and the oceans are colder than fresh water lakes so you can dissolve more CO2 in them. E. none of the above
Appreciable amounts of sugar can be dissolved in which of the following solvents?
A) benzene (C6H6) B) water C) both a and b D) neither a nor b
Answer the following statement(s) true (T) or false (F)
1. When Mexico first became independent, it included what is now Central America. 2. Brazil received many immigrants from Germany, Italy, and Japan in the early 1900s. 3. World War II encouraged Latin American countries to produce manufactured goods for export. 4. The Yucatan Peninsula is formed by a limestone platform. 5. The pampas are composed of river deposits overlain by loess.
In the winter, when water use is low, precipitation ________ evapotranspiration
A) equals B) is below C) exceeds D) fluctuates between exceeding and equaling E) fractuates between equaling and below