what is the principle that producers are entitled to make more money from a business than they invest

The managing director of a company sends a christmas greeting to all his employees through the company email. which type of network does he use? he uses an .

The song about casey jones a railroad engineer who gives his life on the job would most likely gall under the folk song category of? a-work song b-nonsense song c-religious song d-ballad

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