American Express, a large firm with many financial products, recently introduced two new credit cards designed for very specific markets: The Knot, for engaged couples, and The Nest, for newlyweds. This is an example of marketing.

Concentrated

Explanation:

The concentrated marketing is the marketing strategy where the firms developed their products for particular segments only  in order to targeting that specific segment or classifications

In the given situation, since an american express introduced two new credit cards designed for very specific markets i.e The Knot, for engaged couples, and The Nest, for newlyweds so this condition specified the concentrated marketing as it focused on one segment only.

corrosion is a natural process, which converts a refined metal to a more chemically-stable form, such as its oxide, hydroxide, or sulfide. it is the gradual destruction of materials (usually metals) by chemical and/or electrochemical reaction with their environment.

explanation:

c

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