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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Energy Crisis in Pakistan “What does ‘LOL’ stand for in Pakistan? ‘Lots-of-Loadshedding’.” [Introduction] Pakistan is energy-deficient. How can one imagine an active and prosperous human being short on blood? Life is hard without sufficient blood running up and down the veins‚ pumped by the heart round the clock. Pakistan has failed to contain its energy crisis; failing to increase supply proportionately and conserving demand. In 1980s‚ it met 86% of its demand; come 2000s‚ situation is getting
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RAIN WATER HARVESTING Introduction: Till about thirty years back‚ the areas around our homes and offices used to be unpaved and the rain falling on these areas would percolate into the soil and remain there for being drawn through shallow open wells. With the proliferation of flat complexes‚ not only have these areas been paved and percolation of rainwater into the soil almost totally stopped‚ the quantity of water drawn from the soil below has increased manyfold. Consequently open wells and not
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known as the "coldest and windiest place on earth"‚ is home to the lowest temperature ever recorded at 89.2 degree Celsius. With historic winds recorded at speeds over three hundred and twenty miles per hour‚ this area is unbearable for almost all habitats. Most commonly recognized as the fifth largest continent on this planet‚ this giant freezing mass is place over the South Pole with a total surface area of about fifteen million square kilometers. However‚ this figure fluctuates depending on the
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The Forest’s Beast It was an early morning awakening for a mother mountain lion with four cubs. She woke to vast mountains and the bright morning sun. Her stomach was rumbling with the dissatisfaction of emptiness as were her cubs’‚ so she took off into the vast mountains‚ hoping for her next meal. She used her fur to blend in with her surroundings and‚ luckily‚ came upon a group of white tailed deer. She snuck upon the group‚ leapt on the large male buck‚ and grabbed hold of his throat; the fight
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tigers belong to the mammalian group and Felidae family. Lions lives in prides and tigers lives alone. They have no predators of their own and reside at the top of their food chain. This essay is going to talk about the physical characteristics‚ diet‚ habitat and geographical distribution‚ reproduction and cross breed. The physical characteristics of a lion is male lion is highly distinctive and is easily recognized by its mane. Lion coloration varies from light buff to yellowish or reddish of the body
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decline of the sea otters‚ which are essential to keeping sea urchins in check‚ allows sea urchin populations to explode. 3. The burgeoning sea urchins feast on and decimate the kelp beds‚ which are critical habitat for spawning fish. 4. Fish begin to decline for lack of spawning habitat; this affects fishermen’s catches. 5. Finally‚ an international treaty is enacted to protect sea otters. 6. In areas where the otters recovered‚ urchin populations are once again kept down‚ the kelp beds
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afternoons. There are no winters or summers(seasons). One day is similar to the next. Biome A very large ecosystem such as rainforests. Erosion Process of transportation Conditions in which the earth’s surface is worn away by the action of water and wind Desert An environment or region that receives very little precipitation (rain). Defined as areas that receive an annual precipitation of less than 250 mm. Development Indicators Usually a numerical measure of quality of life and development in a country
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Importance of Wildlife Conservation Due to the growing impact of deforestation‚ continuous efforts are being made by some anxious animal lovers to protect the endangered species of wildlife as well as those that are on the verge of extinction and thus save the world from running out its green heritage. Wildlife is important for four main reasons: Beauty: By their unique way of existence‚ wild creatures exaggerate the natural beauty of the earth. Economic value: The financial value of wild species
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The Importance Of Preservation And Conservation Of The Environment Preserving the earth’s environment is all about keeping the rate of our usage of the earth’s resources slower than the rate at which the earth can regenerate the resources‚ the earth’s resources will be available to us indefinitely and our subsequent generations can enjoy the earth as much as we do. Conserving water saves you money! Not only will your water bill go down‚ but as you heat less water‚ your gas or energy bill will
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