20058 pages
Topic overview
1000LWATER. In the mythical narratives in which it is frequently employed, the image of water takes on many different aspects. This article shall try to classify its appearances and seek to understand how the diverse...
200921 pages
Topic overview
Water is used in every society. Individuals use water for drinking, cooking, cleaning, and recreation. Industry uses it to make chemicals, manufacture goods, and clean factories and equipment. Cities use water to fight...
Authors:Adrienne Wilmoth Lerner and Joseph P. HyderFrom:Food: In Context
(Vol. 2. )
20114 pages
Topic overview
1180LWater is an essential part of food production and preparation. Everything humans consume as food is produced using water or contains water. Without fresh, safe-to-consume water resources, farming, livestock raising,...
20046 pages
Topic overview
1230LBecause of its scarcity, water plays a central role in Middle Eastern politics and society. Nowhere in the world is water more important than in the Middle East and North Africa. In no other region do so many people...
20116 pages
Topic overview
Most human settlements are planned around a water supply; people settle at the mouth of a freshwater stream flowing into the sea or at a good ford across a river. Some settlements are not made with regard to water, or,...
20144 pages
Topic overview
Water is a chemical compound (H2O) composed of a single oxygen (O) atom bonded to two hydrogen (H) atoms, which are separated by an angle of 105° . Because of this asymmetrical arrangement, water molecules have a...
20045 pages
Topic overview
1180LIf a person knows nothing else about chemistry, he or she will likely know that water is H2O. The chemical formula for water is common knowledge, used in advertisements, elementary school science classes, and casual...
20083 pages
Topic overview
Water is hydrogen oxide and it is composed of two molecules of hydrogen and one molecule of oxygen. It has a molecular weight of 18.016 and is the most universal solvent known. Water is the most universal solvent...
20146 pages
Topic overview
1400LWater is necessary for life in addition to its many household, agricultural, and industrial uses. While 70 percent of the planet is covered in water, only 2.5 percent of that amount is freshwater, and far less than 1...
20044 pages
Topic overview
1170LWater is a colorless and odorless liquid made up of molecules containing two atoms of hydrogen and one atom of oxygen. Water is essential for all life to exist, as it makes up more than 70 percent of most living things....
20073 pages
Topic overview
Water, along with air and food, is one of the three cornerstones of the physical element to human existence. In its pure state, water is transparent, tasteless, and colorless. The water molecule is comprised of two...
20002 pages
Topic overview
1250LMany peoples of the ancient Near East considered water sacred, a symbol of fertility, and the source of life. Access to reliable sources of water was essential for survival, especially in places such as Egypt and...
20083 pages
Topic overview
1400LThe planet Earth is inherently short of freshwater, the proportion of which is as little as 3 percent of all available water. The remaining 97 percent of water is saline and is stored in the oceans. Of the 3 percent of...
200910 pages
Topic overview
Most people living in the United States assume they will have plenty of clean, safe water for drinking, that crops and gardens can be regularly irrigated, and that sewage will be taken care of by their local treatment...
20143 pages
Topic overview
Water conservation is the use and management of water for the good of all consumers. It is used in agriculture, industry, and the home. Human requirements for agricultural production, flood control, fish and wildlife...
Editors:Neil Schlager, Jayne Weisblatt, and David E. NewtonFrom:Chemical Compounds
(Vol. 3. )
20065 pages
Topic overview
Water is a colorless, odorless, tasteless liquid that also occurs commonly in the solid state (as ice) and in the gaseous state (as steam or water vapor). It is a very stable compound that undergoes a number of important...
20047 pages
Topic overview
1220LThe goal of water treatment, usually from surface sources such as lakes, reservoirs, or rivers, is to remove contaminants and organisms through a combination of biological, chemical, and physical processes to make it...
20143 pages
Topic overview
Any physical, biological, or chemical change in water quality that adversely affects living organisms or makes water unsuitable for desired uses can be considered pollution. Often, however, a change that adversely...
20113 pages
Topic overview
1290LThe world has more than doubled its human population since 1950. In general, people are wealthier, consume more calories, and eat more meat and thus require more water to produce food. More pressure is placed on the...
20024 pages
Topic overview
1420LFor the people who live in Asia, daily life depends on the freshwater that reaches their fields, serves their households, and provides means of transportation. Agriculture consumes 70 percent of freshwater available...
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WATER. In the mythical narratives in which it is frequently employed, the image of water takes on many different aspects. This article shall try to classify its appearances and seek to understand how the diverse...
Water is used in every society. Individuals use water for drinking, cooking, cleaning, and recreation. Industry uses it to make chemicals, manufacture goods, and clean factories and equipment. Cities use water to fight...
Most human settlements are planned around a water supply; people settle at the mouth of a freshwater stream flowing into the sea or at a good ford across a river. Some settlements are not made with regard to water, or,...