Deutsch: Wasser / Español: Agua / Português: Água / Français: Eau / Italiano: Acqua

Water is a liquid at normal temperatures but exists also solid (ice), and water vapor (cloud) in the air.

A water molecule has the formula H2O which means that two hydrogen (H) atoms and one oxygen (O) are connected.

The Earth's surface is covered with water for about 71%. It is necessary (vital) for nearly all forms of life on Earth.

The distribution of water is roughly

From all this water, only 2.5% is freshwater and from this 98.8% of that water is in ice and groundwater.

0.3% of all freshwater (0.0075% of all water) is in rivers, lakes, and the atmosphere.

Freshwater is permanently moved by

Access to safe drinking ressources is essential for all (not only human) forms of life on Earth.

Related Articles

Hydrologic Cycle ■■■■■■■■■■
A Hydrologic Cycle is the process of evaporation, transpiration, condensation, precipitation, infiltration, . . . Read More
Nitrogen ■■■■■■■■
Nitrogen, symbol N, is the chemical element of atomic number 7. At room temperature, it is a gas of diatomic . . . Read More
Water at maritime-glossary.com■■■■■■■■
In the maritime context, "water" generally refers to the bodies of water that ships and boats travel . . . Read More
Chemical Compound ■■■■■■■
A Chemical Compound is a distinct and pure substance formed by the union or two or more elements in definite . . . Read More
Soil ■■■■■■■
Soil is the natural body consisting of minerals, mixed with some organic materials. It is covering the . . . Read More
Activated Carbon ■■■■■■■
An Activated Carbon is a highly adsorbent form of carbon used to remove odors and toxic substances from . . . Read More
Temperature ■■■■■■■
Temperature in the environmental context refers to the measure of the thermal energy of an environment, . . . Read More
Pacific at maritime-glossary.com■■■■■■■
The Pacific (Pacific Ocean) is the largest ocean on earth (165.25 million km²). It extends from the . . . Read More
Groundwater ■■■■■■■
Ground Water is the water under the surface of the earth that is found within the Pore spaces and cracks . . . Read More
Waterway ■■■■■■■
In the environment context, a "waterway" refers to any body of water that supports ecosystems and provides . . . Read More