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<p>Oxygen can be converted into solid too. It becomes solid at a temperature below -218.79 degrees Celsius (-361.82 degrees Fahrenheit)</p>

Oxygen can be converted into solid too. It becomes solid at a temperature below -218.79 degrees Celsius (-361.82 degrees Fahrenheit)

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Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught. 

Oscar Wilde