Karen owns stock in an industry that includes a few large businesses that dominate the market. What type of market structure best describes her
business?
A. An oligopoly
B. A conglomerate
C. An entrepreneurship
D. A subsidiary

  The answer would be B

Explanation:

A conglomerate is a multi-industry company – i.e., a combination of multiple business entities operating in entirely different industries under one corporate group, usually involving a parent company and many subsidiaries. Conglomerates are often large and multinational.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

answer; /// the above statement is ( true);