The verb concentrate means “gather” or “collect.” The suffix -ion, used to form nouns, means “state” or “condition.” Use this information to define the noun concentration.

noun concentration means the process of People directing effort and attention in a particular thing.

Explanation:

forexample

he stressed the need for greater concentration on environment issues.

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.