Answer:
B. Search engine
Explanation:
Search engine is a program that internet users uses in getting information from the world wide web on what is been searched for. The search engine uses key words from the search to locate websites where information concerning the subject could be found. Common examples of search engines includes Yahoo, Google and bing. By inputting "ty cobb" on his computer and getting back over 30 websites containing information on ty Cobb, Robert must have used a search engine.
Mary would be counted as an example of: structural unemployment.
<h3>What is structural unemployment?</h3>
Structural unemployment can be defined as the situation where a person remain unemployed due to restructuring of the person formal place of work or due to changes in the economy.
This person may tend to find it difficult getting another job despite jobs are available because the skills the person has does not match the skills an employer of labor is looking for.
Inconclusion Mary would be counted as an example of: structural unemployment.
Learn more about structural unemployment here:brainly.com/question/7493146
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