Question

Chemical composition of earth structures ​

Answer 1

Answer:

Chemical composition of earth structures

Answer 2

Answer:

the chemical composition of Earth , according to the study made by lutgens and Edward J Tarbuck suggested that:

• THE EARTHS CRUST IS MADE UP OF VARIOUS CHEMICALS AND ELEMENTS AND NUTRIENTS , NAMELY:

1. most importantly , oxygen
2. 46.6% silicon
3. 27.7% aluminum
4. 8.1% iron
5. 5% calcium
6. 3.6% sodium
7. 2.8% potassium
8. 2.6% magnesium.

Explanation:

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