The methods of microbiological analysis are needed to test water for
A) eutrophicant fertilizers.
B) fecal coliform contamination.
C) oil pollution.
D) oxygen levels.
B
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What percentage of the Sun's energy that reaches Earth's surface is absorbed by clouds?
A) 4 B) 6 C) 19 D) 23 E) 30
An important property of water is its ability to act as a good solvent. This could best be explained by water's
A. capillary action. B. dipole molarity. C. polarity. D. surface tension.
According to the text, to learn to understand our lives as minute points of the intersections of biography and history within society and ecology is what we might call the:
a) sociological imagination. b) environmental sociological imagination. c) social reconstitution of behavior. d) art of political disguise.
The last pole reversal occurred ________ years ago and, based on magnetic field decay, we are approximately ________ years from entering the next phase
A) 1 million; 200,000 B) 20,0000; 50,000 C) 1,000; 50 D) 790,000; 1,000