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Soil a Has a Redox Potential of 400 MV,soil B

Question 11

Multiple Choice

Soil A has a redox potential of 400 mV,soil B -200 mV.Of the two soils,Soil A is more apt to be characterized by an abundance of _____.

A) Fe²⁺ ions
B) Mn²⁺ ions
C) H⁺ions
D) S^2- ions
E) molecular oxygen

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