is salt water with a small portion easily available as fresh water
Hydrosphere
the water portion of the earth
water
The gaseous part of the Earth is called the atmosphere. The solid portion of Earth is the geosphere, and the hydrosphere is the Earth's water component.
75% of earth is water
water
While water covers much of Earth's surface, only a small portion of that water is usable.
The portion of the earthÃ?s surface that includes water and water vapor is known as the Hydrosphere, which makes up about 70% of the earthÃ?s surface.
North Africa,andPolar Regions
About 70% of the Earth surface is covered with water, and most of that is the ocean. Only a small portion of the Earth's water is freshwater, which is found in lakes, rivers and groundwater. Freshwater is needed for drinking, farming, and washing.
71% Precent of earth is covered by oceans, lakes and rivers. Water is the most common surface on planet earth, and thats why its also called "the blue planet"- it is mostly blue.