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Among the choices above the answer is C which is <span>of government taxation
To complete the sentece "</span>Ultimately, there exists a ceiling on efficiency because of government taxation
Google is famously known as a search engine and it is being used around the globe. Aside from being a search engine, it also offers other services such as productivity software or google docs, e-mail services like Gmail, cloud storage or the google drive and it also offers social networking services through google plus. Google also has some desktop application for free of use such as google chrome, picasa and instant messaging like hangouts. Their mission statement as for being the most used search engine is "to organize the world's information and make it universally accessible and useful".
Answer:
For undirected graph n(n-1) for directed graph 
Explanation:
The maximum number of edges for a undirected graph is given by
, where n is number of vertices
The maximum number of edges in directed graph is given by
, where n is number of vertices
The maximum number of edges is greater in undirected graph than directed graph
The question is broad and vague, but I would say hardware.