Critical reading is a form of language analysis that does not take the given text at face value, but involves a deeper examination of the claims put forth as well as the supporting points and possible counterarguments.
Answer;
A search engine uses machines to index webpages; a gateway is compiled by experts or librarians.
Explanation;
Gateway pages are pages specially optimized for one search engine and 1-3 keywords. Gateway pages or doorways stand on their own, separate from the rest of a site.
A search engine is a software designed to search for information on the internet.
2/5 = 0.4 divide 2 by 5 ( 2÷5)
