Answer:B Explanation:A search engine is a program that searches for Web documents with keyword (s) you specify. Yahoo!, Google, and AltaVista are just three examples of search engines that have been created to help you find information on the Web.
Answer:A Explanation:Subject directories tend to house fewer—sometimes more relevant—sites than those found through search engines. Sites in a subject directory often have been handpicked by editorial teams or specialists in a particular field.