What is the residence time of most deep waters?
a. 1 to 10 years
b. 50 to 100 years
c. 200 to 300 years
d. 500 to 1000 years
e. over 1 million years
c
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An estuary is where rivers meet the ocean and where freshwater and seawater mix
Indicate whether the statement is true or false
One suggested cause of deep focus earthquakes is ________.
A. collapse of minerals into denser forms B. the rise of core material into the mantle C. friction between the core and the mantle D. collision of convection currents E. collapse of pore space in sedimentary rocks
What percent of the population of the Bahamas is employed by the tourism industry?
A) 0.3% B) 3% C) 13% D) 93% E) 30%
The parameter that is most useful in selecting stripping alternatives is:
a. log Kow b. molecular weight c. Henry's constant d. hydraulic conductivity