Water and Fire Water and fire are two of the “classical elements” as said by the ancient Greeks. In regard to today’s society‚ science has found this to be myth and quite a humorous joke. Yes saying that it is an element when regarding Chemistry and when saying it makes up humans‚ is ridiculous. When looking at it from a different perspective than I’d have to agree with the ancient Greeks. When they say “classical elements” it is saying that these are two things that are major components of life
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increasing population and rapid economic growth as well as lax environmental oversight have increased water pollution. Therefore‚ deterioration of drinking water quality continues to be a major problem. Continuous emissions from manufacturing are the largest contributor to lowered drinking quality across the country. China’s major river systems exhibit the scope of the problem. Perhaps 70 percent of their water is so polluted that it has been deemed unsafe for human contact. In addition to untreated sewage
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The Physical properties of water: 1. Knowledge of the physical properties of water: Water is the most abundant compound on Earth ’s surface‚ covering about 70 percent of the planet. In nature‚ water exists in liquid‚ solid‚ and gaseous states. It is a dynamic equilibrium between solid and gas states at standard temperature and pressure. At room temperature it is tasteless and odourless‚ nearly colourless with a hint of blue. Many substances dissolve in water and is commonly called a universal
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Water Availability and Water Quality Water is the most precious natural resource that exists on our planet. Every living thing needs water in order to survive. If water becomes polluted‚ it loses its value and can become a threat to our health. Although we as humans recognize this fact‚ we disregard it by polluting our rivers‚ lakes‚ and oceans. Water availability has become a great concern in our world today. Out of all the available water on earth‚ only 3 % of it is fresh water. 77% of this
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An integrated study of the Mpenjati estuary-beach system. (Biological component) Abstract A study was carried out to find the abundances of animal organisms between both sides of the Mpenjati estuary. Zooplankton‚ Macro fauna‚ Meiofauna and Fish was sampled .Each of the species that reside in the estuary contribute to the diversity of the area and are essentially driving forces‚ ensuring optimal functioning of the ecosystem. The purpose of sampling such ecosystems is to find out how the interactions
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Introduction: Water is an essential living source for us humans and has a big impact on our everyday lives‚ thus people should be very concerned about what is actually in our tap water that we drink from everyday. The fluoride in the water can either occur naturally or by adding fluorine‚ by drinking a certain amount of fluoridated water each day can help to prevent tooth decay; the fluoridated water works on the surfaces of our teeth and causes the fluoride level in our saliva and hence reduces
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Importance of Water The water that we consume today is the same water since pre historical period .The importance of water has not changed; the only difference now is the purity and efficiency of it. Barbara Kingsolver‚ a famous American writer‚ explains the problems concerning water in her article‚ “Fresh Water.” Humans’ inclinations to excessively use natural assets have caused climate change and drought in many parts of the world‚ making it difficult for many people to access clean and fresh water. While
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their tap water so they have turned to bottled water‚ perceiving that it is safer and healthier than tap. However‚ the use of bottled water has become a major environmental concern‚ making essays on bottled water vs. tap water very relevant to current environmental and health issues. Essays on bottled water vs. tap water are best written as argumentative essays‚ comparison essays and pro-con essays. Essays on bottled water vs. tap water encourage readers to scrutinize their drinking water carefully
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approximately 70% water‚ and water is one of the necessities of life. Being that it is such an important part of people’s lives‚ it is assumed that people would take into consideration the type of water they drink. Tap water is a first world luxury that most people take for granted because of other options that are available. Americans should increase the consumption of tap water over bottled water for many reasons. Tap water has been known to be more safe than bottled water. Also‚ tap water is a lot cheaper
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Introduction Fresh water is an indispensable resource for human livelihood‚ agricultural irrigation and economic development (Brooks‚ 2007). However‚ due to the rapid population growth and the limited reserves‚ increasing regions have faced serious scarcity of fresh water (Williamson‚ 2010). Saudi Arabia is one of the driest countries in the world (CIA‚ 2011). According to World Bank (2011)‚ the world average fresh water consumption is nearly 7000m³/year/person‚ while the water resource per capita
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