Author Question: Which cation would you expect to be mostly tightly held in a soil at pH 4.5? A) Mg2+ B) K+ C) ... (Read 221 times)

erika

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Which cation would you expect to be mostly tightly held in a soil at pH 4.5?
 
  A) Mg2+ B) K+ C) Ca2+ D) Na+ E) Al3+

Question 2

Soils rich in which type of clay would provide the most troublesome site on which to build a home?
 
  A) Fe, Al oxides
  B) smectite
  C) kaolinite
  D) fine-grained micas
  E) chlorite



batool

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Answer to Question 1

E

Answer to Question 2

B



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