Which of the following is CORRECT about the U.S. soil classification system?
A) The Soil Taxonomy is hierarchical, consisting of six categories from soil series to soil order.
B) The soil classification system was finalized in 1975 and no additional changes to it will be made.
C) It is primarily based on pedogenic regimes in which each soil-forming process is attached to a climatic region.
D) Soil variation is too complex for a single classification system, so many regional classification systems are used within the U.S.
A
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Which of the following is the reason for the lower levels of water in the Lake Mead reservoir since 2000?
A) Over harvesting in Nevada B) Deforestation C) Drought D) Too much government regulation E) Illegal diversion to Mexico
Four of the following are important ecological services provided by forests; one is not. Choose the one that is not.
A. reduces soil erosion B. releases atmospheric carbon C. purifies water and air D. influences local and regional climate E. provides numerous wildlife habitat
Adiabatic effects include expansional cooling and compressional warming.
Answer the following statement true (T) or false (F)
Which of the following is an example of a continental-continental divergent plate boundary?
A) Andes Mountains B) Himalaya Mountains C) Mendocino Fault D) Red Sea E) San Andreas Fault