'It's the 2nd most common element in the moon's, as well as the Earth's crust'
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THE SECOND: Its the 2nd most common element in the moons, as well as the Earths crust
It's the 2nd most common element in the moon's, as well as the Earth's crust
It's the 2nd most common element in the moon's, as well as the Earth's crust
THE SECOND
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THE SECOND