name the two most important and abundant chemical elements present in the earth's crust
name the two most important and abundant chemical elements present in the earth's crust
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Explanation:
Oxygen and Silicon are the two most important elements that are also the most abundant elements in the crust if the Earth. While oxygen constitutes around 46.6%, silicon is the second most abundant with 27.7% presence.
Answer:
oxygen and silicon are the most abundant
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