Technological advances have had a marvelous impact on human lives and have had nearly no detrimental effects.
a. true
b. false

The north and south regions had very diferent economies in the 1800s.

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

Ineed to know the anwser to all these questions