movement of earth materials occurs if the stress imposed is greater than the strength of the material to hold it in place. - Mass movement is a naturally occurring process that contributes to the cycle of tectonic uplift‚ erosion‚ transportation‚ and deposition of sediments. They are responsible for the topography of mountain ranges and river canyons that has developed over geologic time. Types of mass wasting: A. Slide involves movement of coherent blocks of material along a well-defined
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Water Pollution Water – The Elixir of Life Can you imagine life without water? Take a minute and think about it. We need water for all our daily essential activities – drinking‚ bathing‚ cleaning… In fact‚ every living thing on this planet needs water Water pollution And what do we do with this vital resource? We take its all important ability – we all know that water can dissolve many of the thing that we dump in it – to make it a giant rubbish bin. In fact‚ we even throw things
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composition * Australia‚ South America‚ India have old infertile soil * Litter (dead leaves and branches on the soils surface) * Humus: Black or dark brown organic material that remains after decomposition has occurred. * Illiviation: The deposition of leached material in the lower layers of soil * Soil Horizons: * O-horizon (accumulation of plant litter) * A-horizon (accumulation of organic matter of humus) * E-horizon (heavily leached) * B-horizon
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2. What is sustainable development 3. Deforestation 3.1 Deforestation and its influence on sustainable development (With a closer look on Iran) 3.2 Deforestation preventing‚ controlling or mitigating strategies 3 3 4 4 5 4. Soil Erosion 4.1 Soil erosion and its influence on sustainable development (With a closer look on Iran) 4.2 Pollution preventing‚ controlling or mitigating strategies 5 5 6 5. Pollution 5.1 Pollution and its influence on sustainable development (With a closer
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large supply of unconsolidated sediments. Although water is a much more powerful eroding force than wind‚ aeolian processes are important in arid environments such as deserts. * Aeolian landform formed by materials by wind. By the Process of Erosion and Deposotion * Aeolian landform deposits particles of Sediment‚ Sand‚ Silt and Clay * Landforms are the surface types of the earth they are categorized by Natural‚ Physical and Human activities. * They are created by the actions of
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Essay 1. Gender discrimination in our society 2. The cost of energy crisis in Pakistan 3. Literacy is the only panacea for the ills of Pakistan 4. Media: A double aged weapon 5. Pakistan: An administrative malice 6. Islam in the civilization perspective 7. Climate change: A fact or fiction? 8. Unbridled liberty is no liberty: Limits of freedom of expression 9. Judicial activism and judicial restraint in Pakistan 10. Beggars cannot be choosers 11. Modernisation vs Westernisation 12.
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Declining Biodiversity Deanna Garrett ENV495 Jeanne Lambert May 6‚ 2013 Declining Biodiversity Biodiversity is important in ecosystems because every life form works together in order for them to function. When these ecosystems are disrupted or altered‚ or even lacks biodiversity‚ it poses major threats to all the life forms in it‚ whether it happens quickly or over a long period of time. These threats include atmospheric pollution‚ weather catastrophe‚ climate changes‚ or even man-made
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Introduction The Brahmaputra River‚ Bangladesh‚ is one of the world’s great rivers‚ ranking in the top three in terms of both sediment and water discharge. The high water and sediment discharges are generated by the monsoon-dominated floods and the tectonic setting‚ which provides abundant sediment from Himalayan uplift into the subsiding Bay of Bengal. It is a major river of Central and South Asia. It flows some 1‚800 miles (2‚900 km) from its source in the Himalayas to its confluence with the Ganges
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Science Folio Chapter 5 B6D5E1 Title: Importance of maintaining the cleanliness of air Introduction The atmosphere of Earth is a layer of gases surrounding the planet Earth that is retained by Earth’s gravity. The atmosphere protects life on earth by absorbing ultraviolet solar radiation‚ warming the surface through heat retention (greenhouse effect)‚ and reducing temperature extremes between day and night. One of the most important factors drawing international attention which is
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ASSESSMENT OF SPATIO-TEMPORAL VARIABILITY OF RIVER PATAH (SUNGAI PATAH) IN EAST MALAYSIAN SEDIMENTARY TERRAIN‚ BORNEO‚ THROUGH SINUOSITY ANALYSIS H Vijith*‚ WS Lerry and D Dodge-Wan Department of Applied Geology Faculty of Engineering and Science Curtin University of Technology Sarawak Campus CDT 250 98009 Miri‚ Sarawak‚ Malaysia Phone: +60 85 443 939 *Corresponding Author: vijith.hamza@curtin.edu.my Abstract Characterisation of a mountain river in the NE Borneo‚ which
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