In the Composition of the earth, Aluminum is _______________?
Correct answer: D. 8.23%
- A. 27.5%
- B. 20.3%
- C. 14.5%
- D. 8.23%
Explanation
Aluminium makes up about 8.2% of the Earth's crust by mass, making it the third most abundant crustal element after oxygen and silicon. The question should technically specify the crust rather than the whole Earth.
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