Question

minerals of earth's crust ​

Answer 1

Answer:

• The most common chemical elements in the crust are oxygen (46.6%), silicon (27.7), aluminum (8.1), iron (5.0), calcium (3.6), potassium (2.8), sodium (2.6), and magnesium (2.1).
• More than 90% on the crust is composed of silicate minerals.
• Plagioclase is the most important mineral in the crust.

Answer 2

Explanation:

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