Here's why:

* Neutralization is a chemical process where an acid and a base react to form salt and water.

* Roots primarily absorb water and nutrients from the soil. While they can encounter acidic or basic substances in the soil, their main function is uptake, not neutralization.

* Plants have various mechanisms to maintain their internal pH balance:

* Buffering systems: These systems within cells can absorb or release hydrogen ions (H+) to counteract pH changes.

* Cellular transport: Plant cells can actively transport ions, including H+, across their membranes to adjust pH.

* Specialized cells: Some plant cells, like those in the vacuole, can store acids or bases to regulate pH.

Therefore, while roots might play a role in absorbing substances that could affect the pH of the surrounding soil, neutralization as a specific process is not a primary function of the roots.