In the current days we witness different types of pollution all around us. Some of them may not damage our health in a direct manner but could be harmful after long term exposure. Water pollution is one of the biggest problems that faces modern society and is harmful to the health of humans and animals because it affects every living organism in this earth. This essay will talk about industrial pollution‚ Oil pollution‚ litter and sewage pollution. One of the main sources of pollution are industrial
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Purification of Water Domestic: Distillation - In the process of distillation water is heated and evaporation takes place‚ whereby water changes back to water when cooled; this process is called condensation. The condensed water is the purest form of water‚ free from microbes‚ and impurities. Boiling - Boiling is the best and simplest method to purify water. After straining the water twice through clean muslin cloth‚ it is boiled for ten minutes lo kill the microbes present in it and also remove
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Pokhara Abstract Water‚ a basis of survival of all living organisms is also considered as the basic pre-requisite of development. Being second richest country in water resources‚ Nepal is gifted by Himalayan ranges in the north with ever flowing snow melted rivers and fresh water springs with huge power of producing energy and fetch out drinking water to the people. Similarly‚ no any economic as well as socioeconomic developments are possible without availability of water. Specially‚ Nepal and
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AUTOMATIC WATER PUMP CONTROLLER The automatic water pump controller is used to control the water pump motor. The motor gets automatically switched on when water in the overhead tank (OHT) falls below the lower limit. Similarly‚ it gets switched off when the tank is filled up. Built around only one NAND gate IC (CD4011)‚ the circuit is simple‚ compact and economical. It works off a 12V DC power supply and consumes very little power. The circuit can be divided into two parts: controller circuit and
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Water is life. Water is the most important thing for survival. Without water it is impossible that a planet be inhabited. Wherever we have water we find life. Our planet earth has 70% water. Ther firt ever living creature was tiny aquatic organisms. Water also is the means by which human beings survive. Water plays a very important role in religions around the world. Water signify spiritual purity being used for praying. Water also helps in agriculture.Water is the most important thing for survival
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Water Conservation Will there be enough water for a more crowded world? The adult human uses on average about 100 gallons of water a day. Only about 2.5% of earth’s water is fresh and only 1% is actually attainable for usage. The available water on earth has not changed. The same water we have today has been recycled for millions of years‚ we are not gaining any more. The time to do something is now. In this essay I would like to remark on the past‚ present‚ and future of water conservation
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Water Shortage Water shortage problem is when humans or living creatures suffer from a scarcity of water another definition for water shortage is either the lack of enough water or lack of access to safe water and it happens because of the dreadful use of water and polluting rivers‚ oceans and lakes. Water is the reason for our existence; Water everywhere on the planet is a basic part of the global hydrologic cycle‚ it ’s a finite resource. The amount of water supply in the global hydrologic
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The consequences of the lack of water By J. C. Cardona 884 million people lack access to safe water supplies; approximately one in eight people. UNICEF/WHO 2008. Progress on Drinking Water and Sanitation: Special Focus on Sanitation. 3.575 million People die each year from water-related disease.World Health Organization. 2008. Safer Water‚ Better Health: Costs‚ benefits‚ and sustainability of interventions to protect and promote health. The water and sanitation crisis claims more lives through
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Introduction Water is our body ’s most important nutrient‚ is involves in every bodily function‚ and makes up 70- 75% of our total body weight. Water helps you to maintain body temperature‚ metabolize body fat‚ aids in digestion‚ lubricates and cushions organs‚ transports nutrients‚ and flushes toxins from our body. Everyone should drink at least 64 ounces per day‚ and if you exercise or are overweight‚ even more. Our blood is approximately 90% water and is responsible for transporting
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Global Fresh Water Shortage Fresh water shortage is a global issue. There are more than one hundred countries face different levels of fresh water shortage‚ and thirty years later there will be 28 to 33 hundred billion people have shortages of water. People lived in fresh water shortage countries cannot even have water to keep them alive. Because of the fresh water shortage‚ people lived near the southern Sahara desert abandoned farmland‚ and 200‚000 people died from that. Africa‚ Asia‚ North American
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