Incorrect: The mineral is an important componant of the earths crust, and is necessary for many industrial and commercial uses. It can be found in rocks, soil and various other forms.
Correct: The mineral is an important component of the Earth's crust and is necessary for many industrial and commercial uses. It can be found in rocks, soil, and various other forms.
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Correct: The mineral is an important component of the Earth's crust and is necessary for many industrial and commercial uses. It can be found in rocks, soil, and various other forms.
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