Explain the distribution of the world’s major geophysical hazards. Some parts of the world are more often and more severely afflicted by natural hazards than others due to the geological structure of the Earth. The earth’s crust is made up of seven major plates and a number of minor plates. The plates move because of the convection currents in the mantle caused by temperature differences within the mantle‚ leading to volcanoes and earthquakes‚ the world’s major geophysical hazards. The movement
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Geography Notes for Class X [Social Science] Page No: 1 Geography Notes for Class: X [Social Science] Prepared By: Kapil Mahawar INDEX S. No. 01 02 03 04 05 06 07 Name of Chapter Resources an Development Forest and Wildlife Resources Water Resources Agriculture Minerals and Energy Resources Manufacturing Industries Lifeline of National Economy Page No. 01 04 06 08 11 13 17 CHAPTER 1: RESOURCES AND DEVELOPMENT Remember These Points Anything available in the environment
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A hazard is a situation that poses a level of threat to life. Volcanoes exist all over the world and countless of them go over without us releasing because they are all of different magnitude. Only 10% of volcanoes are monitored around the world from which 90% of these are located in MEDC’S ( More Economically Developed Countries) Volcanoes can pose different type of hazards separating into primary and secondary. Primary being the ash and dust‚ lava flow‚ volcanic gases and pyroclastic flow. How
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Fun Facts Presently‚ 80 per cent of municipal and industrial solid waste in Canada is disposed of by landfilling processes‚ with the remainder disposed through recycling‚ resource recovery and incineration. Recycling one aluminum can saves an amount of energy equivalent to half that can filled with gasoline. Every year nearly 900‚000‚000 trees are cut down to provide raw materials for American paper and pulp mills Benefits:disease control control of vermin that spread disease less chance
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Geomorphology - is the science of landforms‚ their origin‚ evolution‚ form‚ and spatial distribution. Denudation - is any process that wears away or rearranges landforms. Processes include weathering‚ mass movement‚ erosion‚ transportation‚ and deposition. Differential Weathering - the effect of different resistance in rock‚ coupled with variations in the intensity of physical and chemical weathering. Dynamic Equilibrium Model - the balancing act between tectonic uplift and reduction rates
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Disadvantages: Sea - during a volcanic eruption earthquakes happen‚ and tsunamis may be created. Also‚ if it is a volcanic island‚ the island may be destroyed‚ and there is no escape. Lava flow - these are very slow moving‚ but destructive as they cannot be stopped and they set fire to everything in their path. Pyroclastic flow - these are impossible to outrun‚ travelling at about 300 km/h‚ and are extremely destructive Mudflow/lahar - these are mud rivers that have the consistency of cement
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Chapter 7: Fragile environments Ecological footprint: measure of the mark that we humans make on the natural world. It considers how much land and sea are required to provide us with the energy for our lifestyles. Sustainability: actions and forms of progress that meet the needs of the present reducing the ability of future generations to meet their needs. Soil erosion and desertification Soil erosion * The washing or blowing away of top soil. * There are three types:
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The Importance of Geography – current statement Geography provokes and answers questions about the natural and human worlds‚ using different scales of enquiry to view them from different perspectives. It develops knowledge of places and environments throughout the world‚ an understanding of maps‚ and a range of investigative and problem solving skills both inside and outside the classroom. As such‚ it prepares pupils for adult life and employment. Geography is a focus within the curriculum for
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What is Geography? Geography‚ simply put‚ can be summed up in two words: “where and why” (Rubenstein). However‚ it is difficult to sum geography up simply because‚ in fact‚ there is nothing simple about it. Geography can explain everything about “the earth‚ its peoples‚ and why [the] two interact as they do” (Sherer). Geography is studied by the geographers of the world who use “[maps] and mapping… [To] analyze and portray the world” (Knox) because “people everywhere struggle to understand [it]”
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Colin Carmona-Murphy Mr. Zanardo Geography P. 3 February 24‚ 2011 Venice‚ Italy Introduction Venice is a city located in the northern part of Italy that is known mostly for its tourism and it’s very interesting physical geography. What makes Venice a city of geological interest is the fact that it is filled with waterways and canals‚ which are replacements for the conventional cobblestone streets commonly found in Europe. The city of Venice
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