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Which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard

Which player type acts on other players? a. killer b. achiever c. explorer d. socializer

Someone plzz me which of these defines a social search? a. asking a search engine a question that is answered by a real person on the other sideb. modifying search results based on popularity of a web pagec.modifying search results based on a ranking of a web page