Water is an important source in our daily life.We use it to wash clothes or clean house.Every meal‚wealways drink some water otherwise we will be thirsty.Nowadays‚water becomes more and more common in our daily life because the development of using the technology of water. No matter whether we realise it or not‚water has become a necessary factorfor our lives.Studies have shown that drinking 8 cups of water everyday can help us to keep healthy.During the process of drinking water‚water clean our
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IMPORTANCE OF FRESH WATER All living things on Earth need fresh water in order to survive But human beings become ill and may even die if they cannot get pure or clean and are forced to drink polluted water. Human beings can only last 3 day without fresh water. People died of thirst after the cyclone in 1999 because their supply of fresh water from irrigation channels was destroyed form tidal waves. However water is needed for many more purposes e.g. in agriculture and industries‚ but this water
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not exist without water. Seventy-five % of the Earth is covered in water providing an environment for organisms to live in. the water molecule is made up of two hydrogen atoms and one oxygen atom. As oxygen atoms are more electronegative that hydrogen atoms the electrons shared covalently between the oxygen and the hydrogen atoms tend to spend more time near the oxygen atom making it partially negative and making the hydrogen atoms partially positive. The partial charges in the water molecule allow
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Energy Harvesting and Nanotechnology | April 28 2011 | Energy harvesting generators are attractive as unlimited replacements for batteries in electronic devices and have been the focus of new researches for past years. This paper reviews the principles behind this technology and their integration to harvest energy. Also proposes a greener alternative for the production of quantum dots before the integration to new technologies. | Nanowires and Quantum Dots | Energy Harvesting with Nanowires
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-This is usually a screen in the faucet outlet.When the waters leaves the faucet there are air spaces where the water has to go around the wires in the screen.Then as the water travels down the skin effect(the nature of a liquid to stick together) takes over and draws the water back together‚eliminating the space cause by the screen.The water from the faucet increases the speed because of acceleration due to gravity.The formula for flow rate is:cross-sectional
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by defensible hills on the other three sides. The site is significant historically and architecturally. The topography abounds with large stones which have been utilized to make larger than life statues of Hindu deities. A structure of historic importance appears every quarter of a mile. The Archaeological Survey of India continues to conduct excavations in the area‚ to discover additional artifacts and temples. [edit] Geography [pic] [pic] Hampi overview Hampi is situated on the banks
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turn are very common. Technology of the future is one of the most thought about topics in any modern society. In “There Will Come Soft Rains”‚ by author Ray Bradbury‚ and “By the Waters of Babylon”‚ by author S.V. Benẻt‚ the main theme is the danger of technology‚ but both have several differences. In the science-fiction story “There Will Come Soft Rains”‚ Ray Bradbury‚ one of the worlds most celebrated sci-fi and fantasy writers‚ describes the realistic possibility of people being wiped
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Water Quality and Contamination Research and its Importance Ursurla L. C. Waller SCI 207 Dependence of Man on the Environment Professor Wayne Davis 2014 September 20 Abstract This report analyses the ability of ordinary substances to pollute water sources‚ filtration techniques‚ as well as the quality of tap and bottled waters. This report discusses the availability of clean water sources‚ factors that affects the quality of water‚ agents of water contamination‚ and how the earth naturally filters
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Essay Number One: The Importance of Water in Ancient Civilizations When life began there was water to help it grow and when life is over there will be water to end it. Water is a basic necessity that furnishes the plants for growth‚ replenishes mammal life‚ and is a constant reminder of life. In ancient complex river societies water provided a beginning and advancement opportunity in agriculture in that it cared for plants‚ provided for animals‚ replenished drinking water‚ and was a beacon for
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Rain Have you ever been barefoot in the rain? Well if you haven’t it is the most amazing feeling. Its okay to let the mud ooze between your toes cause the cold rain will just wash it away. The rain is my favorite weather. I love how it smells‚ feels‚ sounds‚ tastes‚ and looks. I like to close my eyes and feel every little rain drop hit down on the top of my head. I like to take a deep breath and smell the nature float in the air all around me. It’s so relaxing to hear the ticking sound of the
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