How to take a key off a keyboard without breaking it?

Some of the first computer games were created in the early 1970s by college students experimenting after hours to see what the were capable of doing.

Acase study allows a more detailed look at the life of a single subject than any other study.

1. which of the following is a search engine? a) mozilla firefox b)internet explorer c)google d)safari 2. which of the following statements is true? a) all search engines will provide the same results when you enter the same query. b) all search engines use the same amount of advertisements. c) some search engines are also browsers. d) search engines often provide different results, even when you enter the same query.