What does the hydrosphere do for earth?

Answer 1

Nothing. The hydrosphere is inanimate, and indifferent to the remainder of the Earth.

It does affect the Earth by forming glaciers, lakes and rivers, which enable erosion and deposition to occur.

Man obtains benefit from these interactions, for some of these processes form soil, and plains and mountains.

And other parts are where the fish swim and await our capture (though they do not know that).

Answer 2

The use of hydrogen fuel decreases the pollution caused by the carbon based fuels used today and also hydrogen is a renewable source and available in large quantity on the earth. The hydrogen combustion can produce water as waste which will be beneficial to

humans as an environmental point of view.

Answer 3

Together with Oxygen it forms Earth's water.