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Read the paragraph below and answer the questions that follow.
(1) The solution to an important AIDS puzzle came from an unlikely source, video gamers. (2) For fifteen years, researchers at the University of Washington have been trying to understand the structure of the AIDS virus, knowing that this discovery would lead to better treatments, maybe even a cure. (3) In 2010, Seth Cooper, a computer scientist at the same university, created a video game called Foldit, the purpose of which was to encourage gamers to work on real scientific problems. (4) Hearing about Foldit, the frustrated scientists decided to ask gamers for help. (5) In three short weeks, the gamers came up with such good models that the scientists found their answer. (6) The scientists are thrilled, and the gamers loved using their skills for such a worthwhile project.
Which of the following sentences does NOT contain a transitional expression that indicates time?
Total Sales
The total revenue generated from the sale of goods or services over a set period before any expenses are subtracted.
Four-Firm Concentration Ratio
An economic metric that assesses the market power of the four largest firms in an industry, expressed as a percentage of total market sales.
Pure Competition
A market structure characterized by a large number of small firms selling identical products, with no single seller having a significant influence on market price.
Oligopoly
A market structure characterized by a small number of large firms dominating the market, leading to limited competition.
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