Phosphorous is: A:found free in the atmosphere B: returned to the soil by rhizobium C: added to the soil though weathering D: usually very abundant in an ecosystem - QAmmunity.org

Phosphorous is: A:found free in the atmosphere B: returned to the soil by rhizobium C: added to the soil though weathering D: usually very abundant in an ecosystem

asked May 20, 2021 35.3k views

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