lagao toh dar jayegi‚ Upar laoge toh mar jayegi Meaning: Fish is the queen of water‚ whose life is water; It is scared of the touch and out of water it shall perish This is not just true for fish‚ but for any life on the earth. The biosphere with its fauna and flora owes its existence to water. In the solar system it is only our earth that is credited with water‚ that too just 1% of the entire water‚ that is potable. It is therefore a gift and a coincidence‚ too. Man has therefore a
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Turn the tap on and drink a glass of water. Does it taste funny? Is it clear? The water you are drinking may be toxic without any such indicators. Water is all around us; it is essential for life. Over two thirds of earth’s surface is covered by water‚ ___________________but everyone only wants and need clean water. Each year‚ water pollution increases and continues to be responsible for harming our environment. According to Duhigg (2009) of the New York Times‚ more than 100 wells were polluted
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Save water‚ save life Water is necessary for life. Water is needed for domestic‚ agricultural and industrial purposes. Three-fourth of Earth ’s surface is covered by water bodies. 97 per cent of this water is present in oceans as salt water and is unfit for human consumption. Fresh water accounts for only about 2.7 per cent. Nearly 70 per cent of this occurs as ice sheets and glaciers n Antarctica and other inaccessible places. Only one per cent of fresh water is available and fit for human use
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Cause and Effects of Water Pollution Water is a key resource on our planet and is undervalued by humans causing water pollution. Water makes up 70% of the earth and 60% of the human body‚ therefore the pollution of water is in need to come to an end because it is essential to all living aspects on earth ("Causes and Effects of Water Pollution…"). Water pollution is typically caused by littering‚ industrial waste‚ oil pollution‚ and primarily‚ by the human carelessness. It needs to be taken more
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Uses of water: 1. For drinking and for life processes. On an average‚ a man consumes about 60‚000 to 80‚000 litres of water in his lifetime. The body of an adult contains nearly 40 to 50 litres of water at any given time and water constitutes about 66% of the average body make up. Aqueous solutions fill the cells in the body. Nutrients‚ oxygen‚ and metabolic waste products are transported by blood‚ which is mostly water. Digested food is absorbed in the form of an aqueous solution. In plants too
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The importance of water Water is one of the weirdest compounds known to humans. The difference between the boiling point and freezing point of water is one of the largest ranges of any compound. It is this span of temperature that mirrors the range of where life can exist‚ from bacteria to humans. Water also has a very high specific heat‚ which means that it can absorb or lose much heat before its temperature changes. This is important in maintaining body heat in mammals. It also takes a lot of
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Effects of Water Pollution Image source: NASA Water covers 70% of the Earth’s surface and makes up over 60% of the human body. Water pollution affects marine ecosystems‚ wildlife health‚ and human well-being. The answer to solving pollution is to make changes in our daily habits and pay more attention to the types of products we consume. The following lists display causes of water pollution and the effects it has on human health and the natural environment. Causes of Water Pollution
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Case Study 1 February 11‚ 2011 But It’s Just Bottled Water Part I-Moving In 1. Should Sally’s mother buy the bottled water? Why or why not? There were many facts provided in this paper to support why people should not buy bottled water. They included arguments against the quality of bottled water‚ information on the harmful effects of bottled water on the environment‚ and the negative implications of water extraction. Sally’s mother should not buy the bottled water at the Mega-Store
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Year 11 Module 1 – The Chemical Earth The Earth is made up of a large number of different substances: elements‚ compounds & mixtures We can classify elements & compounds as pure substances. These are always HOMOGENEOUS. Mixtures are not pure substances and can be either homogeneous or HETEROGENEOUS. Pure substances have a fixed composition eg copper metal‚ sulfur‚ carbon dioxide (CO2)‚ methane (CH4). Mixtures have variable composition and can also be separated into its components relatively
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the National Drinking Water Quality Standards (NDWQS) in 1983‚ with the most recent revision in 2000 due for circulation for use in 2002. The standards stipulate limits for physical‚ chemical‚ microbiological and radiological parameters and compliance with these standards is mandatory for all private water suppliers. Supporting documentation is available to ensure effective implementation of the standards and include information on the National Programmed for Drinking Water Quality Surveillance‚
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