Because area water has covered has a high quantity of salt and it cannot be extract from water. Only 0.01% of water is used for consumption.
Three-fourths, or 3/4.
The surface of earth is covered mostly by water.
33% of the land surface of earth is covered by deserts.
About 71 percent of the Earth's surface is water-covered.
Approximately, 72.1% of the Earth's surface is covered by Ocean.
Over 70% of the Earth's surface is covered with water
71.13% of the earth is covered by water. Only 3% of that water is fresh water, the rest is salt water.
71% of the earth is covered in Hydrosphere.
Approximately 30% of the Earth's surface is covered by land, the remaining 70% of the surface is covered by water.
about 6/8 of earth surface is covered by water about what fraction of earth surface is not covered by water
I think it is 75 % of the earths surface is covered by limestone
Earth. Over 70% of Earth's surface is covered by water.