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SSSSS [86.1K]
3 years ago
7

Which elements are found in a high proportion in Earth’s crust?

Geography
2 answers:
velikii [3]3 years ago
6 0
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.
ch4aika [34]3 years ago
6 0
I think its calcium and sodium I'm not sure
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The Earth’s crust becomes unstable when tectonic plates meet. As the plates slide past each other and push against each other. This causes earthquakes and volcanic eruptions at the edge between the plates.  


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