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Author Question: What might be present to cause a reddish color in a soil horizon? A) organic materials B) ... (Read 102 times)

HCHenry

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What might be present to cause a reddish color in a soil horizon?
 
  A) organic materials
  B) bedrock
  C) aluminum and iron oxides
  D) clay minerals

Question 2

Which of the following is the most similar between soil and regolith?
 
  A) biologic activity
  B) sediment content
  C) support of plant life
  D) horizons



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ebenov

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Answer to Question 1

Answer: C

Answer to Question 2

Answer: B





 

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