Without water, nothing on earth can survive.
Wiipedia describes water as a transparent, tasteless, odorless, colorless chemical substance.
It is the main constituent for all of Earth's streams, lakes, and oceans.
Water is vital for all forms of life. in spite of it not providing calories or nutrients.
It is believed that 71 % of the Earth's surface is covered by water, and is mostly in seas and oceans. Small amounts occur in groundwater, in the glaciers, and IceCaps the Antartica and Greenland.
Interesting is that about 70% of water used by humans goes to agriculture.
The transportation of many commodities is through boats through the seas.
Water plays an important part in the economy and sustainability of all countries.
Water is also called the "solvent of life" because of water's ability to dissolve many substances.
The taste and odour of water are described as tasteless and odourless. But humans have specific sensors that can fell the presence of water in their mouths.
It is a fact that frogs are known to smell water.
Water from ordinary sources usually has many dissolved substances, that may give a variation in tastes and smells. In South Africa, you might find water with a brackish taste, because of minerals in the area, and in other a sweetish taste, if it is pure fountain water.
The colour and appearance of water in swimming pools and bodies of water are often determined by dissolved and suspended solids, and by the reflection of the sky.
Pure water has a low electrical conductivity which increases with the dissolution of a small amount of salt.
Water has many distinct properties that are critical for the proliferation of life.
Each surface waters are filled with life.
The earliest forms of life appeared in the water, nearly all fish live in water, and then there are many types of marine mammals. such as dolphins, whales etc.
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Amphibians spend portions of their lives in water and some portions on land. Amphibians have a wide range of modifications to survive in poorly oxygenated water such as breathing tubes and gills.
Water fit for humans to drink is called drinking water or potable water. Water that is not potable can be made potable by filtration or distillation or other methods.
Water is becoming scarcer in certain places, and this is a major social and economic concern.
It is estimated that around a billion people worldwide drink unhealthy water.
Poor quality water and bad sanitation are deadly, and five million deaths a year are caused by polluted water.
Some countries recycle water, by building large plants and chemical treating water. One such country is Namibia.
In the Arabian countries, seawater is desalinated and used for human consumption.
Much of the universe's water is produced as a byproduct of star formation. The formation of stars is accompanied by a strong outward wind of gas and dust. When this outflow compacts the surrounding gas, the shock waves that are created and heat the gas.
Water is quickly produced in this warm dense gas.
Water is also considered as a purifier in most religions. There are Faiths that incorporate ritual washing, including Christianity, Islam, Judaism, Hinduism, Rastafari, Shinto, Taoism, and Wicca.
Immersion in water is central to Christianity's ordinances.
In many religions a ritual bath in pure water is performed for their dead, (Islam and Judaism) In Zoroastrianism water is respected as a source of Life.
In almost all nations there are many Philosophical theories written on water.
But it is a non negotiable fact that without water life would cease to exist.
Throughout the world, one of the major problems is that humans do not appreciate fully how wasting and pluution of water will impact the future.
