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Which of the following elements have the highest percentage in terms of frequency in the Earth's crust and human body, respectively? A. Nitrogen, Oxygen. B. Oxygen, Silicone. C. Carbon, Oxygen. D. Oxygen, Oxygen​

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Answer:

Oxygen is the most abundant element in the Earth's crust.

Explaination: It makes up 46% of the mass of the Earths crust.

Answer

The most abundant elements in the human body are oxygen, carbon and hydrogen. Oxygen makes up 65% of the body.

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