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s344n2d4d5 [400]
3 years ago
5

What is the main composition of the earth?

Geography
1 answer:
Alenkasestr [34]3 years ago
6 0

Answer:

Tarbuck, 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,

Explanation:

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