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Author Question: Red soil color is generally caused by: a. aluminum compounds. b. mercury compounds. c. iron ... (Read 338 times)

Frost2351

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on: Aug 7, 2018
Red soil color is generally caused by:
 a. aluminum compounds.
  b. mercury compounds.
  c. iron compounds.
  d. clay.

Question 2

Some environmental changes that occur on Earth accumulate very slowly so that careful scientific study over the long term is required to understand what is occurring.
 a. True
  b. False
  Indicate whether the statement is true or false


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Jbrasil

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Reply #1 on: Aug 7, 2018
Answer to Question 1

C

Answer to Question 2

True


Frost2351

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Reply 2 on: Aug 7, 2018
Great answer, keep it coming :)

bassamabas

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Reply 3 on: Yesterday
Excellent

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