Question

what is leaching?
5 points
removal of dissolved p from soil by vertical water movement
when wind carries particles in eroded sediment
surface flow of water that carries available p away to new locations
when water turns to vapor
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Explanation:

Leaching is the process where dissolved substances (here, dissolved P) are removed from the soil. This occurs due to the movement of water (vertical water movement in this context). The other options describe different processes: wind - carried particles (related to wind erosion), surface water flow (run - off), and water turning to vapor (evaporation).

Answer:

Removal of dissolved P from soil by vertical water movement.