the older Mesozoic Era‚ often called the "Age of Reptiles‚" and the modern Cenozoic Era‚ the "Age of Mammals." <br><li>On a finer scale‚ the extinctions define the boundary between the Cretaceous (geological symbol‚ "K")‚ and Tertiary ("T") periods. This mass extinction is usually referred to as the K-T extinctions. The dinosaurs became extinct during the K-T mass extinction. To examine how the K-T extinctions fit into a broader perspective‚ please see the <br><li>The cause of the K-T extinctions
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The book A Journey to the Center of the Earth‚ by Jules Verne is a well-written and easy to read book most of the time. In my essay I’m going to give a description of the books events. The book starts with Professor Hardwigg finding a scrap of paper that says its possible to get to the center of the earth and decides to take the journey. Hardwigg insists that Harry‚ his nephew‚ come with him on the journey. After they got the supplies‚ they start their journey for Mt. Sneffels in Iceland‚ the spot
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Themes There are a few themes in the novel‚ Journey to the Centre of the Earth. The first theme is achieving one’s dream. Professor Lidenbrock shows that with determination‚ one can achieve one’s dream. So when he got an opportunity to do so in making the journey to the centre of the Earth‚ he seized it immediately. At the end of this novel‚ he successfully completed the journey. Second theme is facing challengers with perseverance and courage. Many times during the journey‚ the travelers faced
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our own solar system. The ability to travel through space has given us a new perspective on our solar system‚ by being able to view how nature works outside of our own planet. Earth is a unique planet. So unique that our technology today has not discovered any other planets or satellites that could sustain human life. The earths atmosphere is composed of about 80 percent nitrogen and 20 percent oxygen however‚ space exploration might lead to a discovery of a similar planet to escape the depletion of
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Philosophical film “A Beautiful Mind” There are many philosophical films currently available to watch. These films involved all kind of issues around us such as social life‚ work‚ health‚ race‚ etc. The most interesting issue in A Beautiful Mind‚ one of the famous philosophical films‚ is the difficulty of the main character to distinguish the difference between reality and imagination. The philosophical argument in the film is very important because it based on the true story that only
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Journey to the Center of the Earth is an 1864 science fiction novel by Jules Verne (published in the original French as Voyage au centre de la Terre). The story involves a professor who leads his nephew and hired guide down a volcano in Iceland to the "center of the Earth". They encounter many adventures‚ including prehistoric animals and natural hazards‚ eventually coming to the surface again in southern Italy. From a scientific point of view‚ this story has not aged quite as well as other Verne
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Chapter 25: History of Life on Earth Synthesis of Organic Compounds on Early Earth * The Earth probably formed about 4.6 billion years ago‚ and was bombarded with rocks and other material until about 3.9 billion years ago. * The Earth then cooled‚ allowing for the formation of oceans. Scientists hypothesize the general atmosphere‚ or at least some regions‚ were naturally reducing environments‚ meaning that they added electrons to compounds. * Activation energy provided by lightening
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senseless to their own state of distress. The earth shaking earth quake of 8th October‚ proved the mendacity (falsehood) of the idea. The nation witnessed the worst natural disaster on the 8th of October when an earth quake of the intensity of 7.6 was recorded on the rector scale. It shattered the nation. In the federal capital the Margalla towers were razed to the ground. The northern areas and parts of N. W. F.P. were virtually eaten up by the cruel earth. A whole generation of people was annihilated
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Earth Space Science Mid-Term Essay Questions 1. Describe the three types of map projections. How are they made and which is the best for which application? 2. You see lumps of ice the size of meatballs falling from the sky. What form of precipitation are you seeing? Explain how it formed. What proof do scientist have that it formed this way? 3. What do the inner planets have in common? What is one unique characteristic of each planet? Explain your answer. 4. Define apparent magnitude
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Planet Earth contains three compositional layers- CORE‚ MENTLE & CRUST. Core: At the centre is the densest of the three layers‚ the core. The core is a spherical mass‚ composed largely on metallic iron‚ with lesser amount of nickel and other elements. Mantle: The thick shell of dense‚ rocky matter that surrounds the core is mantle. The mantle is less dense than the core but denser than the outer most layer‚ the crust. Crust: Above the mantle lies the thinnest and outermost layer‚ the crust
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