Venue : Presidency Girls Hr. Sec. School ‚ Egmore‚ Chennai NATIONAL SCIENCE SEMINAR WATER CRISIS ON THE EARTH PROBLEMS AND REMEDIES Submitted by A. NAVEEN ANTO‚ Sri Jayendra Golden Jubilee School‚ Sankarnagar - 627 357‚ Tirunelveli‚ Tamilnadu. Date : August 27‚ 2008 CONTENT ♦ INTRODUCTION ♦ WHAT DO WE MEAN BY WATER CRISIS? ♦ WHAT CAUSES & TRIGGERS THE WATER CRISIS ♦ IMPACTS OF WATER CRISIS ♦ REMEDIES FOR WATER CRISIS ♦ CONCLUSION WATER CRISIS ON THE EARTH PROBLEMS AND REMEDIES
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POLLUTIONS Environmental issues become one of the top topics nowadays. Environmental issues like pollution‚ climate change‚ global warning and deforestation are being discussed this day. Pollution is one of biggest concern in the environmental issues because it covers all which are water pollution‚ air pollution‚ soil pollution and noise pollution. Pollution is contaminants that can cause an adverse change s to environment and human health. Pollutants is components of pollution where it can be foreign
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Pitch: This article is written to inform the reader of the issues pose by crown of thorns starfish on coral reefs. The target audience is the general public who may view coral reefs as a tourist destination. There is a need to warn about crown of thorns as research shows that it causes more destruction to corals reefs than bleaching or other disturbances. More details on how these starfish population boomed are given in the article‚ revealing both natural and anthropogenic factors. The article however
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Bad Effects of Pollution on our Air I have lived in Smithfield my whole life. I grew up surrounded by its beautiful scenarios‚ friendly people and historical buildings along with traditions‚ but one thing we are known for is our ham. The Smithfield Foods‚ Inc. is recognized to be the largest pork producer and processor in the world. It was founded by Joseph W. Luter and his son as the Smithfield Packing Company. It raises around 15 million pigs a year and processes 27 million‚ producing over six
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Pollution is the introduction of contaminants into a natural environment that causes instability‚ disorder‚ harm or discomfort to the ecosystem i.e. physical systems or living organisms. Pollution can take the form of chemical substances or energy‚ such as noise‚ heat‚ or light. Pollutants‚ the elements of pollution‚ can be foreign substances or energies‚ or naturally occurring; when naturally occurring‚ they are considered contaminants when they exceed natural levels. Pollution is often classed
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Chapter 37 Communities and Ecosystems Study Guide A 4-mm-long wasp called Apanteles glomeratus stabs through the skin of a caterpillar and lays her eggs; Yet another wasp‚ a chalcid‚ may lay its eggs inside the ichneumon larvae. Structural Features of Communities Communities are characterized by species diversity‚ dominant species‚ response to disturbance‚ and trophic structure interspecific competition Competition between individuals or populations of two or more species requiring a limited
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Name of Student: FINAL EXAM Please enter your name in the upper right cell. Read the directions carefully. Note that the exam is worth a maximum of 15 points (15% of your course grade). Some items are required‚ and some offer choices of which ones to complete. Responses must be in your own words (no copied content or quotations allowed) in the cells provided; the cells will expand downward as you type. You do not need to cite sources for this test‚ especially because no copied content is permitted
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Pollution is the introduction of contaminants into the environment. It is cause mostly by human actions‚ but can also be a result of natural disasters. Pollution has harmful effect on living and non-living things in an environment‚ making it difficult to maintain life. There are different types of pollution. The main ones are: 1. Air pollution 2. Water pollution 3. Land pollution 4. Noise pollution Air pollution Air pollution is the accumulation of pollutants into the atmosphere that have
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Agriculture in Bao Loc In the southern Central Highlands of Vietnam‚ you can find Bao Loc‚ Lam Dong Province. There‚ you can encounter numerous areas of barren land‚ including the extensive barren lands of the lower elevated mountains. Considering the fact that these landforms are located in a rural area‚ the air is significantly healthier compared to the actual city of Bao Loc. Despite this‚ in comparison to surrounding areas‚ it is one of the less favorable places for farming‚ due to its uneven
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Water Pollution and Its Effects on the Environment Water is probably the most important resource we as people have. Humans can survive without food for several weeks‚ but without water we would die in less than a week. On a slightly less dramatic note‚ millions of liters of water are needed every day worldwide for washing‚ irrigating crops‚ and cooling industrial processes‚ not to mention leisure industries such as swimming pools and water-sports centers. Despite our dependence on water‚ we use
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