plutonium can only form from uranium in a nuclear reactor. since the last natural reactors on earth shut down about 3 billion years ago (oklo) it can't happen naturally now.
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Triumph Engineering was a company that produced motorcycles. One of their models was called the Bonneville. In the 1980s, Triumph Engineering shut down, but a new company bought the rights to the name shortly after, and production of Bonneville motorcycles resumed in 2001.
Stick 'em Jerry shut down production in '84.
You just shut down computer
Somewhat, they can change the liquid content of saliva, and add enzymes in the presence of food.
GM shut down production of Saturn in Oct 2009 and will close dealerships in October of 2010.
Nickelodeon has not shut down.
quizilla.com has not shut down.
Shut is an irregular verb the past is the same shut, so the past of shut downis the same shut down.They shut down the factory at 6:00pm everyday -- present.They shut down the factory late yesterday. -- past.Shut downis a phrasal verb. It has two parts shut and down but they act as a single word.
what can be reignited after they are shut down.
No. It has never shut down, and probably never will shut down.