ICSE Class 10 Answered
in Earth crust what is the percentage
Asked by amodi7870 | 25 Sep, 2020, 08:08: AM
Expert Answer
Earth's crust is made up of several elements: oxygen, 46.6 percent by weight; silicon, 27.7 percent; aluminum, 8.1 percent; iron, 5 percent; calcium, 3.6 percent; sodium, 2.8 percent, potassium, 2.6 percent, and magnesium, 2.1 percent.
Answered by Sheetal Kolte | 25 Sep, 2020, 11:09: AM
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