What is the difference between a search engine and a gateway?

a. a search engine uses machines to index webpages; a gateway is compiled by experts or librarians.
b. a search engine searches for images; a gateway searches for text only.
c. a search engine is simpler to use; a gateway requires the searcher to use scientific terms.
d. a search engine is free; a gateway requires payment for the subscription to the service.

Which excerpt from tinker v. des moines shows how precedent support an argument? a. "as we shall discuss, the wearing of armbands in the circumstances of this case was entirely divorced from actually or potentially disruptive conduct by those participating in it. it was closely akin to 'pure speech' which, we have repeatedly held, is entitled to comprehensive protection under the first amendment. cf. cox v. louisiana, 379 u.s. 536, 555 (1965); adderley v. florida, 385 u.s. 39 (1966)." b. "while the absence of obscene remarks or boisterous and loud disorder perhaps justifies the court's statement that the few armband students did not actually 'disrupt' the classwork, i think the record overwhelmingly shows that the armbands did exactly what the elected school officials and principals foresaw they would." c. "i, for one, am not fully persuaded that school pupils are wise enough, even with this court's expert from washington, to run the 23,390 public school systems [n4] in our 50 states." d. "under our constitution, free speech is not a right that is given only to be so circumscribed that it exists in principle, but not in fact. freedom of expression would not truly exist if the right could be exercised only in an area that a benevolent government has provided as a safe haven for crackpots."

On her zoo blog, bindi describes the experience of walking the red carpet with her mum that evening, and the unmatched joy of what happened soon after. “all the categories came up, but then mine did! they said all these top actresses' names then my name! the guy said 'and the winner is . . ’ . . my heart stopped . . ‘bindi irwin! ’ i could not believe it, i won! i was amazed, in tears, i could hardly talk! i’ll never forget that great trip! ” what does the hyperbole in the excerpt the reader understand about bindi? she had a medical problem. she was extremely frightened. she became very excited. she won an important award.

Which of the following is most likely to influence the plot of a story