A 1 kg soil sample has 2 cmolc of Al3+ on the exchange complex. Addition of which of the following would most effectively replace about half of this Al?
A) 1 cmolc K+
B) 10 cmolc OH-
C) 4 cmolc Ca2+
D) 2 cmolc Na+
E) 4 cmolc Na+
C
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Pregnant heifers are referred to as ____________________
Fill in the blank(s) with the appropriate word(s).
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To provide a comfortable area, it is recommended to maintain a temperature of 68 degrees Fahrenheit (20 degrees Celsius) with a relative humidity of 15 percent.
Answer the following statement true (T) or false (F)
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In a(n) ____ joint the edges of the metal overlap so the thickness of the joint is approximately equal to the combined thickness of both pieces of metal.
A. tee B. lap C. outside corner D. edge
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Most managers prefer oral communication because of a perceived weakness in their writing
skills.
Indicate whether the statement is true or false.
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