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catherine boodry

on 5 May 2011

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OXYGEN Butter is an ingredient in apple pie that conains the element oxygen. Oxygen was formed from large stars. These stars eventually die and a supernovae occurs. The elements in star radiate to Earth through this explosion and enter our atmosphere. Plants obtain the oxygen by breathing in carbon dioxide and converting that into oxygen. Specifically grass. However, some oxygen lingers in the grass and the cow eats it. The cow then produces milk which contains oxygen. Butter is created by churning milk
In 5 billion years the oxygen will have been recycled many times. Since the Earth will probably not be around in 5 billion years that same oxygen could be anywhere. For example it could join another planet or moon.
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