Question

is leaching always visible, like muddy water?
yes, clear water never has any leaching in it.
no, non - visible substances can leach through soil.
yes, leaching is always visible.
no, leaching appears as gas, not liquid.

Explanation:

Leaching is the process by which substances are dissolved and carried away by water through soil or other porous materials. Non - visible substances such as certain ions and dissolved organic compounds can leach through soil. Clear water can also have leached substances that are not visible to the naked eye. Leaching is not always in the form of gas and is not always visible.

Answer:

No, non - visible substances can leach through soil.