Uses of Water Essay - 1672 Words - StudyMode, Essay on uses of water resources
Essay on uses of water resources
Water conservation reduces energy use and can even save households money. Most families pay to use water in their cities or regions. The less water a household uses, the less they have to pay each period. Appliances that use water, such as washing machines and dishwashers, also use a considerable amount of energy.
The majority of America's population (about 86 percent) gets their water delivered from a public-supply system. This makes sense, as America's population now largely live in urban centers. The trend over the last 70 years is of people moving to urban centers and is reflected in the shrinking numbers of self-supplied people in the Nation.
Scientists find water the most fascinating fluid in the world because of its versatility and usefulness. Electricity is generated by the force of running water. Unlike other substances, water expands when freezing takes place. In ancient Rome snow was used to pack prawns and meat. Ice is used for refrigeration. Water is converted into steam and used as power.
Wastewater is used water. It includes substances such as human waste, food scraps, oils, soaps and chemicals. In homes, this includes water from sinks, showers, bathtubs, toilets, washing machines and dishwashers. Businesses and industries also contribute their share of used water that must be cleaned.
Long before the industrial age, people used water as a source of energy. The first machine to use water was most likely a platform built beside a stream that was attached to a bladed wheel. The water fell on the blades and turned the wheel. Old-fashioned water mills still use water this way.
Hydrogen bonding maintains the integrity of the water molecule during chemical reactions. Other compounds undergo chemical changes (ionization), where as water will maintain its chemical integrity. As a result water is a poor conductor of electrical current.
Water is the most precious gift to the humanity by the nature. Life on the earth is possible only because of water. Three-fourth surface of the earth is covered by the water even after people are suffering from water scarcity in many regions of the India and other countries. Difficulties faced by the people in various regions because of water scarcity teach us to conserve and save water in order to protect the water environment, save life and save world.
Water is a molecule made of 2 hydrogen atoms and 1 oxygen atom. Its chemical formula is H 2 O. Like other liquids, water has a surface tension , so a little water can make drops on a surface, rather than always spreading out to wet the surface.  Things having something to do with water may have "hydro" or "aqua" in their name, such as hydropower or aquarium , from the Greek and Latin names for water. It is also called the universal solvent, because it dissolves many things.
All of the water that we use comes from local lakes, rivers, streams or underground aquifers, depending on your city and state. How we use the water depends on the purpose at hand, such as:
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One result of underfunding water infrastructure is massive water main breaks. For example, in 2010, a massive main break in Boston led to an order for the public to boil water that affected 2 million people. According to a 2012 report by The American Water Works Association, restoring, replacing and expanding our existing water systems to accommodate a growing population will cost at least $1 trillion over the next 25 years, if we expect to simply tread water and maintain current levels of service.
Then it becomes fit for sowing seeds there, the new plants can grow well only in the wet soil. The water comes from the rain. If not, the soil is then made wet by irrigation or otherwise. Pure water should be used for drinking.
The balance between supply and demand for water is a delicate one. The availability of usable water has and will continue to dictate where and to what extent development will occur. Water must be in sufficient supply for an area to develop, and an area cannot continue to develop if water demand far outstrips available supply. Further, a water supply will be called upon to meet an array of offstream uses (in which the water is withdrawn from the source) in addition to instream uses (in which the water remains in place). Figure 1 represents the demands on water as a tug-of-war among the various offstream and instream uses.
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essay on uses of water resources
essay on uses of water resources