Read the sentences from Barrio Boy by Ernesto Galarza. Suspecting something, he added: "When you are finished, don't forget to pull the chain. See. That's what the sign says." And, to be sure, there was a paper with writing tacked to the wall, next to an aluminum up-and-down pipe. The hotel clerk most likely suspects that Ernesto and his mother

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

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explanation:

jhjbhvhb

may i see the historical information and the excerpt?