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17 April, 07:42

Earth's oceans contain many dissolved elements like calcium, sodium, and chlorine. These elements plus several others combine to form the salts in the oceans. 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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  1. 17 April, 09:39
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    C because minerals contain sodium
  2. 17 April, 10:07
    0
    the answer is D) weathering and erosion of rocks. i took the test.
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