Asked by hj
ook at the graph below.
Which elements together make up seven percent of the Earth’s crust?
calcium and iron
calcium and sodium
potassium and magnesium
potassium and sodium
All Answers 1
Answered by
GPT-5 mini
AI
Calcium and sodium.
Their percentages on the graph add up to 7% (Ca ≈ 4% + Na ≈ 3%).
Their percentages on the graph add up to 7% (Ca ≈ 4% + Na ≈ 3%).
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