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While Earth's surface is mostly water, Earth is nearly all rock. Just 0.5% of the planet by weight is water. More than 70% of the surface area of the planet today is covered by water; The other 30% is land.

Water distribution on Earth - Wikipedia

en.wikipedia.org/wiki/Water_distribution_on_Earth

The water distribution on earth shows that most water in the Earth's atmosphere and crust ... Typically, fresh water is defined as water with a salinity of less than 1 percent that of the oceans...

How much water is there on Earth, from the USGS Water Science ...

water.usgs.gov/edu/earthhowmuch.html

Dec 2, 2016 ... But just how much water exists on, in, and above our planet? About 71 percent of the Earth's surface is water-covered, and the oceans hold ...

What Percent of Earth is Water? - Universe Today

www.universetoday.com/65588/what-percent-of-earth-is-water/

May 8, 2012 ... The Earth is often compared to a majestic blue marble, especially by those privileged few who have gazed upon it from orbit. This is due to the ...

Water On Earth

www.fcwa.org/story_of_water/html/earth.htm

About 70% of the earth's surface is covered with water. Ninety-seven percent of the water on the earth is salt water. Salt water is filled with salt and other minerals  ...

Earth's Freshwater - National Geographic Society

nationalgeographic.org/media/earths-fresh-water/

Nov 12, 2012 ... Most people have heard Earth referred to as "the water planet. ... However, of all the water on Earth, more than 99 percent of Earth's water is ...

How Much Water Is on Earth? - Live Science

www.livescience.com/29673-how-much-water-on-earth.html

Sep 9, 2010 ... All of the Earth's ocean water (middle) and freshwater (right). ... Some 72 percent of Earth is covered in water, but 97 percent of that is salty ...

Where is all of the Earth's water? - NOAA's National Ocean Service

oceanservice.noaa.gov/facts/wherewater.html

The ocean holds 97 percent of the Earth's water; the remaining three percent is freshwater found in glaciers and ice, below the ground, or in rivers and lakes.

What percent of the earth is land and how much is water? | eNotes

www.enotes.com/homework-help/how-much-percent-earth-land-how-much-water-46469

Nov 10, 2008 ... There are generally two versions of the answer to this question. The first is the more general about 70% of Earth is water while about 30% is ...

Information on Earth's water - National Groundwater Association

www.ngwa.org/Fundamentals/teachers/Pages/information-on-earth-water.aspx

Sep 5, 2012 ... Earth is known as the "Blue Planet" because 71 percent of the Earth's surface is covered with water. Water also exists below land surface and ...