Question

what is leaching in the context of soil permeability? the process of soil compaction by free range grazing cattle the positive feedback loop of soil erosion through wind and water various substances dissolved into water moving through soil the accumulation of minerals on the soil surface

Explanation:

To determine the correct answer, we analyze each option:

• The first option describes soil compaction by grazing cattle, not leaching.
• The second option refers to soil erosion via wind and water, not leaching.
• The third option matches the definition of leaching: when water moves through soil, it can dissolve substances (like nutrients or minerals) and carry them along, which is leaching in the context of soil permeability.
• The fourth option describes accumulation of minerals on the soil surface, which is the opposite of leaching (leaching involves movement of substances out of the soil profile, while this is accumulation).

Answer:

C. various substances dissolved into water moving through soil (assuming the third option is labeled C; adjust the label based on the actual numbering, but the text of the option is as above)