The Cambrian explosion is named for the geologically sudden appearance of numerous metazoan body plans some 540 million years ago (James W. Valentine et al. 1999). In Earth’s pre-history during the Cambrian period many animal phyla suddenly appear in fossil records and introduced more complex organisms. “For that the evolution of the planet Earth is described by the co-evolution of the geosphere biosphere system” (Werner Von Bloh et al. 2003). A sudden increase of biomass and rapid cooling had occurred
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have the ability to communicate to people and get them interested and excited about almost anything. The shuttle would never make it into space as it exploded only seventy-three seconds after lift off killing all seven members of its crew. The explosion was blamed on the O-rings‚ a set of gaskets that sealed the joints
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Cola Explosion When the Mentos come into contact with the Diet Coke‚ a reaction causes the rapid formation of foam. it is concluded that the potassium benzoate‚ aspartame‚ and CO2 gas contained in the Diet Coke‚ in combination with the gelatin and gum arabic ingredients of the Mentos‚ all contribute to the formation of the foam. The structure of the Mentos is the most significant cause of the eruption due to nucleation.MythBusters reported that when fruit-flavored Mentos with a smooth waxy coating
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India’s current population | Currently‚ there are about 51 births in India in a minute. | India’s Population in 2011 | 1.21 billion | India’s Population in 2001 | 1.02 billion | Population of India in 1947 | 350 million | The Population Explosion: Causes and Consequences * Introduction * The Definition Of Overpopulation * The Causes Of Rapid Population Growth * The Consequences Of Rapid Population Growth * Actions And Strategies That Can Be Developed To Solve These Problems
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In 1947‚ One hundred eleven men were killed in an explosion that took place at the Centralia No 5 mines located in the state of Illinois. The explosion was caused by highly explosive coal dust that was ignited by an explosive charge. During that time‚ Driscoll Scanlan was one of l6 Illinois state mine inspectors‚ appointed by Governor Green. He was given the responsibility of policing the mines as well as the operators. Additionally‚ it was his duty to make sure that the company’s was in compliance
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after lift-off the challenger had blown up. This was a big tragedy but it had also help N.A.S.A learn more information. Many people have learned that the Kennedy Space Center had delayed the launch for 6 days. After take-off‚ I noticed a black puff of dust that kept expanding when I zoomed in on my camera. I
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POPULATION GROWTH AND ENVIRONMENTAL DEGRADATION IN INDIA Introduction The rapid population growth and economic development in country are degrading the environment through the uncontrolled growth of urbanization and industrialization‚ expansion and intensification of agriculture‚ and the destruction of natural habitats. One of the major causes of environmental degradation in India could be attributed to rapid growth of population‚ which is adversely affecting the natural resources and environment
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men went throughout their normal work day at No. 5 Coal Mine‚ they looked forward to quitting time and reuniting with their loved ones. Woefully‚ this would never come to past. Catastrophe struck at 3:27. 111 lives were slayed out by a colossal explosion. Paramedics‚ firemen and policemen gathered at the scene in efforts to rescue wounded coalminers. There were 142 men at the site. 65 were killed by burns and other injuries and 45 were killed by afterdamp. Eight men were rescued‚ but one died from
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Three major disasters struck Texas in the 20th century. They left both wonderful and unhelpful social‚ political‚ and economic effects. The Texas City Explosion had the most lasting effects on the US. Many people died in the explosion‚ and many more were injured. There were so many people that were injured‚ that the hospitals were overcrowded and the Red Cross had to put up field stations to help the injured. As Wanda Lou Baker wrote in Past Stories‚ many of the injured were put on the lawn. The
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ubiquitous computing researches. Smart dust is a tiny dust size device with extra-ordinary capabilities. Smart dust combines sensing‚ computing‚ wireless communication capabilities and autonomous power supply within volume of only few millimeters and that too at low cost. These devices are proposed to be so small and light in weight that they can remain suspended in the environment like an ordinary dust particle. These properties of Smart Dust will render it useful in monitoring real world
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