Respuesta :
The feldspar is the most common mineral group present in the earth's crust.
What is the earth's crust?
- The outermost surface of the earth is called earth's crust.
- The earth's crust mostly contains eight elements which are oxygen, potassium, sodium, aluminium, silicon, iron, calcium and magnesium.
What is the minerals?
- The inorganic element or compound occur naturally is called minerals.
- The minerals internal structure and characteristic chemical composition, crystal etc.
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