Question

............. portion of earth has been covered by hydrosphers​

Answer 1

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.

Answer 2

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• 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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