A cup contains 5 carbon atoms. Are the contents of this cup an example of a pure substance? Explain your answer.

gravity causes stares to cluster i think so

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them  

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)