" which graph best represents the percentage by mass of elements of earth's crust " ?

Answer: Graph 1
Explanation:
The Earth’s crust has minerals that are made up of different elements, most of them combined in compounds. Of those elements, oxygen takes 46.1% of the total mass, while there´s 28.2% of silicon and the other 25.7% includes the rest of the elements, which are aluminum, iron, calcium, sodium, potassium, magnesium, copper, uranium, gold, and silver.
The elements of the earth's crust are oxygen, silicon, iron, and aluminum that accounts for about 88% of the earth's crust and the remaining 90 elements make up 12% of the earth's crust.
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