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The answer depends on what concept required proving!
Must Be Proved Before They Can Be Accepted As True
Yes, if you have a clemency or are proved innocent before the execution.
Before its termination in the 1980's the Venona project proved many things. It proved that Guy Burgess was a double agent and so on.
sitting bull
It cannot really be proved, but a fair amount of people on WikiAnswers who post questions and answers cannot spell properly. Just like the person who replied, before I changed his/her answer, who had degraded your question into a mockery, cannot spell properly.
The United States economy before the war was extremely prosperous as the slave trade proved to be a lucrative business.
She proved the innocence of victims.
Because a theory is not completely proved yet and it could not be completely proven yet or it was called that before they proved it and they just kept the same name so people knew what they were talking about!!!!! :)
Yes, you should eat at leat 10 potoatoes before you go to sleep. Scientists have proved that a lack of potatoes make you depressed.
More than 50% of the American travelers go rv'ing. Rv'ing is proved to be beneficial and help with peoples problems such as stress or reuniting the family.
A toy has a long term relationship to a company when it is profitable and the decisions to manufacture the toy or product proved to be correct. Your welcome!