Answer:
Google uses automated programs called spiders or crawlers, just like most search engines, to help generate its search results. Google has a large index of keywords that help determine search results. ... Google uses a trademarked algorithm called PageRank, which assigns each Web page a relevancy score.
A. B)
B. B) 1837 Douglass joins the East Baltimore Improvement Society
C. A) offers effects when moving from one slide to the next.
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Answer:
The answer is open source
Explanation:
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# look it up on google
by typing ctrl+ s on keyboard