Question

_______ portion of earth has been covered by hydrosphere
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Answer 1

Answer:

outer core

Explanation:

outer core portion is cover by hydrosphere

Answer 2

Explanation:

here's your answer

• The hydrosphere is the sum of Earth's water, in the ocean, the ground, on the surface, and in the air. Approximately 71 percent of Earth's surface is covered in water.

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