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5 votes
What is a major source of calcium and sodium in oceans?

A) air pollutants
B) gases from active volcanoes
C) minerals dissolved in aquifers
D) weathering and erosion of rocks

asked
User Thi Tran
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2 Answers

4 votes

The answer is D. weathering and erosion of rocks

answered
User Isuru Madusanka
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2 votes
I think the answer is D. But don't count on it.
answered
User Jonathan Picazo
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