The hydrosphere is the sphere containing all of the earth's water in all of its forms, including and

The hydrosphere is the sphere containing all of the earth's water in all of its forms, including vapor, liquid, and solid.

:

solid, liquid, and gaseous water

Explanation:

This sphere has a composition of al the forms of water mass and Thus found till a depth of 20 meters an estimate of 1,386 miles of cubic tonnes of water is found n the earth. Such water is found in lakes, streams, and ice. It has a total of 0.023% of earth mass.

I'm pretty sure it's c. extremely gradual but not 100% sure though.

The answer is ocho because ocho is 8