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How is oxygen within the hydrosphere?

User Msergeant
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2 Answers

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12 votes

Answer:

because water contains oxygen

User Julius Volz
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9 votes

Answer:

Hydrosphere. The hydrosphere is 33% oxygen by volume present mainly as a component of water molecules with dissolved molecules including free oxygen and carbolic acids (HxCO3).

User Azro
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