Multiple Choice
Soil with a pH of 6.0:
A) is slightly acidic
B) is most likely caused by human-produced air pollution
C) is problematic because the optimum soil pH for plant growth is 8.0 to 10.0
D) is often associated with toxic concentrations of soluble aluminum and manganese.
E) All of these choices are correct
Correct Answer:

Verified
Correct Answer:
Verified
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