The soils of the boreal forest acidic and leached of humus and clays, belonging to the ________ soil order
A) Spodosols B) Andisols C) Oxisols D) Entisols
A
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Which statement is true when one wants to perform queries using both spatial and attribute data?
A. One must perform spatial data query first. B. One can perform query first with either spatial data or attribute data. C. One must perform attribute data query first. D. None of these are correct.
The first supercontinent present by Proterozoic time was Vaalbara
a. True b. False
Which of the following is NOT a possible source of water contamination?
A. farms B. dry cleaners C. rocks that have been mineralized by natural processes but not mined D. houses E. All of these are possible sources of contamination.
A local aquiclude within a larger aquifer results in a(n):
a. cone of depression. b. perched water table. c. artesian aquifer. d. zone of aeration. e. zone of saturation