Multiple Choice
The soil shown in the photograph below has a greenish or grayish tint, which may mean that 
A) it has abundant aluminum and/or iron oxides.
B) it contains abundant organic matter.
C) it has been waterlogged at some point.
D) there are salts or other minerals that have been deposited by the evaporation of water.
Correct Answer:
Verified
Correct Answer:
Verified
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