Marie uses a browser to visit a blog. what is the unique identifier of the blog?

How do i get the most points, without any effort?

Hazel has just finished adding pictures to her holiday newsletter. she decides to crop an image. what is cropping an image?

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