One and a half acres of the rain forest-“the Lung of the Earth”‚ are lost every second. In fact‚ they now cover only a mere 6% of the earth’s land surface compared with 14% when humankind first settled. Experts estimate that the last remaining rain forests could be consumed in less than 40 years. Obviously‚ deforestation has been becoming an alarming phenomenon for the whole world. Writing about this issue‚ Laura Lopen‚ John Maier and Dick Thompson express some quite strong opinions. In “Playing
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activity can damage the Earth Human have been damaging on the Earth for thousands of years. In fact‚ human activity has big influence on the Earth. Some people believe that the Earth is being damaged by human activity. In my opinion‚ I really believe that the human is damaging the Earth. There are three main ways to damages the Earth from human activity are deforestation ‚ poisonous gases ‚ and it makes pollute the environment. First‚ a human activity that damages the Earth is deforestation. Deforestation
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Is Earth really being Harmed by Human Activity? In my opinion‚ the Earth is definitely being harmed or should I say damaged by human activity. It is quite obvious when we look around us‚ when we see read and watch the news‚ and when we research for ourselves. I believe the major cause in the damage of the Earth all began with the introduction of industrialization. As a result of industrialization‚ pollution came about. Deforestation was inevitable because of the expansion of urban developments
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advanced engineering technology. This means many people is using mobile devices‚ computers and televisions for social‚ wind turbines and advanced battery system for green energy‚ and so forth. The essential needs to make for those devices are the rare earth elements (REE) what are the fifteen lanthanides plus scandium and yttrium as defined by International Union of Pure and Applied Chemistry (IUPAC). Around 1950s‚ India‚ Brazil and South Africa were the leaders of the world’s REE production. But the
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costs‚ total revenues‚ and profits during a time period. It is particularly useful in the early stages of planning when it provides a framework for discussing planning issues. Q15-4. In a contribution income statement‚ costs are classified according to behavior as variable or fixed‚ and the contribution margin (the difference between total revenues and total variable costs) that goes toward covering fixed costs and providing a profit is emphasized. In a functional income statement‚ costs are
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The Dynamic Crust‚ Earthquakes and the Earth’s Interior Why is the Earth’s crust described as being dynamic? Crust- solid rock outer zone of Earth The crust is part of the lithosphere. The Earth’s crust is dynamic which means constantly changing. Earthquakes Volcanoes Crustal movements along fault zones Other evidence indicates that parts of the Earth’s crust have been moving to different locations for billions of years. Describe pieces of evidence that suggest minor changes in the Earth’s
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The extra amount will be considered as voluntary contribution. The mandatory amount they contribute to MPF account can enjoy tax deduction under Salaries Tax. The maximum amount of tax deduction for 2011-2012 is $12000. However‚ any voluntary contributions cannot enjoy tax deduction. • As voluntary contributions cannot enjoy tax deduction‚ people are not willing to contribute more to their accounts and result of limited contribution. In order to solve the problems‚ it is important to
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Spreading like a virus A recent media workshop on the issue of sex selection and female foeticide brought home the extent of the problem. Held in Agra in February‚ the workshop was organised by UNICEF‚ Business Community Foundation‚ and the Centre for Advocacy and Research. Doctors‚ social scientists‚ researchers‚ activists‚ bureaucrats‚ journalists told their stories of what they were doing to fight the problem. If the 1991 Census showed that two districts had a child sex ratio (number
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Nuclear[edit] Main articles: Nuclear explosion and Effects of nuclear explosions In addition to stellar nuclear explosions‚ a man-made nuclear weapon is a type of explosive weapon that derives its destructive force from nuclear fission or from a combination of fission and fusion. As a result‚ even a nuclear weapon with a small yield is significantly more powerful than the largest conventional explosives available‚ with a single weapon capable of completely destroying an entire city. Properties
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Flood-Fill Flood-fill • Used in interactive paint systems. • The user specify a seed by pointing to the interior of the region to initiate a flood operation Recursive Flood-Fill • Fill a image-space region with some intensity (color) value • How to define the region? • Fill Until vs. Fill While • 4-connectivity vs. 8-connectivity Flood-Fill from Seed • Start from the seed and floods the region until a boundary is met. A simple recursive algorithm can be used: void floodFill(int x‚ int
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