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

Question

Quizplus · Accepted Answer

A soil pH of 6.0 is slightly acidic, which is not optimum for plant growth but is not necessarily problematic. It is not usually caused by human-produced air pollution and is not associated with toxic concentrations of soluble aluminum and manganese.

Soil with a PH of 6.0