Ash trees are being removed when they show signs of the ash borer, a parasite that affects only ash trees and kills them off. What best explains why the ash trees are being cut down?

The Ash Trees with Ash Borer are being cut down as a way to maintain the stability of the other Ash Trees.

Explanation:

As stated in the information given, "Ash trees are being removed when they show signs of the Ash Borer, a parasite that affects only Ash Trees and kills them off."

To preserve the other trees, these trees with the parasite must be cut down as a way to stop other trees from gaining this parasite. Its a preservation method for Ash Trees.

Hope this helps!

your answer is "the 1950's"

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.