Basically, this is a tricky question. And it has more than one answer. The elements that are found in a high proportion in Earth's crust are <span> </span>oxygen, aluminium, iron, calcium, potassium, sodium, <span>and </span>magnesium. But for your Option, I think it is B) Oxygen and Silicon. This is because Oxygen makes 46.6% while Silicon makes 27.7% of the Earth crust. They are like the highest.
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I think its A sorry of I'm wrong
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aye in their defense squares are borin
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