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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?
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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?

User Maszter
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1 Answer

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The answer is D. Weathering and erosion of rocks.
User Nevin Jethmalani
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