The exchange complexes of strongly acid (pH 4.5 ) mineral soils are saturated mainly with ________
A) tightly bound H+ ions
B) exchangeable H+ ions
C) exchangeable Al3+ ions
D) tightly bound Al3+ ions
E) exchangeable Al(OH2)+ ions
C
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Fill in the blank(s) with the appropriate word(s).
24.2 x 7.9 = 1,901.8?
Answer the following statement true (T) or false (F)
What are the two components of the cost of a transportation facility improvement? Describe each.
What will be an ideal response?
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