which we give little thought: “There are seven continents: North America‚ South America‚ Europe‚ Asia‚ Africa‚ Australia‚ and Antarctica. Next question‚ please.” The official flag of the Olympic games‚ however‚ displays a famous symbol of interlocking rings‚ each ring intended to represent one of the five continents of the world‚ the two Americas treated as one and Antarctica simply forgotten. Rather than some sort of geographic maverick‚ this lineup of five continents‚ not seven‚ is a standard one
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PHYSICAL REGIONS: * The total length of Australia’s coastlines is 35 877 km with western Australia’s being the largest. * Australia’s coastline is relatively short due to its compact shape(all in one) * Australia is the smallest out of the 7 continents * It has and area of7 682 000 km squared * A region is defined as an area with one or more features that distinguish it from surrounding areas. These are either‚ natural‚ cultural economic or political. Example- GREAT BARRIER REEF
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The ozone layer diminishes more each year. As the area of polar ozone depletion (commonly called the ozone hole) gets larger‚ additional ultraviolet rays are allowed to pass through. These rays cause cancer‚ cataracts‚ and lowered immunity to diseases.1 What causes the depletion of the ozone layer? In 1970‚ Crutzen first showed that nitrogen oxides produced by decaying nitrous oxide from soil-borne microbes react catalytically with ozone hastening its depletion. His findings started
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The melting of the Arctic and Antarctic ice is a result of climate change. This climate change includes the decline of sea ice‚ rising temperatures and the melting of the Greenland ice sheet and the Antarctic ice sheet. The Antarctic Ice Sheet covers around ninety-eight percent of the Antarctic continent and is the largest body of ice on earth. The Greenland Ice Sheet is the second largest body of ice; it covers more than eighty percent of Greenland. The Ward-Hunt Ice Shelf is the largest single
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migrations was shoes. Butterfly migration Chinese migrated to escape the weather. Migration is when a group of girls go to the bathroom together. There is no significant evidence and analysis of immigration to Antarctica. Think about it. Would you
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The water cycle is also known as the hydrologic cycle. The water cycle describes the movement of water on‚ above and below the surface of Earth. Water can change states through the stages of the water cycle. Water can change from a solid to a liquid to water vapor in various places of the water cycle. Water moves from one lake to another‚ just like from an ocean to the atmosphere. Water travels by different processes of evaporation‚ condensation‚ precipitation‚ infiltration‚ runoff and subsurface
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Epoch was the first epoch in the Quaternary period and the sixth in the Cenozoic Era It was followed be the Holocene Epoch. At the time of the Pleistocene the continents moved to their current positions. During this time sheets of ice covered all of Antarctica‚ large parts of
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International Journal of Environmental Science and Development‚ Vol.2‚ No.1‚ February 2011 ISSN: 2010-0264 Ozone Layer Depletion and Its Effects: A Review Sivasakthivel.T and K.K.Siva Kumar Reddy Abstract - There are many situations where human activities have significant effects on the environment. Ozone layer damage is one of them. The objective of this paper is to review the origin‚ causes‚ mechanisms and bio effects of ozone layer depletion as well as the protective measures of this
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formations‚ such as in south-east Brazil and South Africa. The trends of the mountains are also similar in eastern USA and North-west Europe. Similar glacial deposits are found in Antarctica‚ South America and India‚ which are now many kilometres apart. Climatological Evidence shows that places as far apart as Antarctica‚ North America and the UK all contain coal deposits of a similar age that were formed in tropical conditions. They are no longer in tropical climate zones and must have drifted apart
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1. In what context should the Endurance expedition be analyzed? As a scientific endeavor? An entrepreneurial venture? An exercise in imperial opportunity? By what criteria should the expedition be evaluated? Given your answer to the preceding question‚ was it a success or a failure? The Endurance expedition should be analyzed as an entrepreneurial venture. Schackleton acted like an entrepreneur‚ and spent a great amount of time to raise the necessary funding for his expedition. Not only
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