Which Is the Most Abundant Element in the Earth's Crust

question 12

Multiple Choice

Which is the most abundant element in the earth's crust?

• A) aluminum
• B) oxygen
• C) silicon
• D) iron

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The various physical and biological factors that compose the surroundings in which an organism operates.

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Referring to a society, organization, or group that includes people from a variety of cultural, ethnic, and racial backgrounds.

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