The four major NRCS soil orders which are classified on the basis of soil forming factors unrelated to climate, such as slope, drainage, or maturity are:
a. Oxisols, Mollisols, Ultisols, and Vertisols.
b. Entisols, Histosols, Inceptisols, and Andisols.
c. Alfisols, Spodosols, Oxisols, and Histosols.
d. Vertisols, Ultisols, Spodosols, and Mollisols.
B
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Which type of estuary is characterized by the least variation in salinity with depth at any given point along its axis?
A. a well-mixed estuary B. a salt wedge estuary C. a partially mixed estuary D. a fjord E. None of these is correct; it is impossible to tell from the information given.
A ________ climate is semiarid, but not as dry as a desert—moist enough to sustain grasses and shrubs
A) humid continental B) steppe C) tropical rainy D) marine west coast
Opposition to the use of GMOs is strong in the countries of Africa. What are the key factors that contribute to this resistance?
What will be an ideal response?
Which of the following is a reactant in transamination?
A) a-ketoglutarate B) b-ketogluarate C) glutamate D) none of these