• Greenhouse Effect
    environment. When gases used on earth are released into the atmosphere they act as a blanket and trap radiation that is then redirected to earth. This concept is called the Greenhouse Effect. In this essay I will discuss the greenhouse gasses and their role in the Greenhouse Effect. With all the talk about...
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  • Hydrosphere - Types, Importance
    hydrologic cycle. Driven by solar energy, water is evaporated from the ocean surface and distributed over the earth as water vapor. Precipitation returns the water, in liquid and solid forms, to other parts of the globe. Throughout the cycle, water may exist in a number of forms, interact with the atmosphere...
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  • Dark Earth
    Compilation of Essays on Dark Plasma Theory by Jay Alfred © Copyright 2011, Jay Alfred All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the written...
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  • Whatif Information
    have a long life span increases the odds that life would have the time to develop and exist elsewhere. Stars at high mass and temperature have short lived lives on the main sequence and produce large quantities of lethal radiation (2008, slide 10). The majority of stars are of the long life variety. ...
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  • Behaviour Modification
    Health and environment essay: Ozone layer The ozone layer protects the earth from dangerous ultraviolet rays that comes from the sun .In 1980’s it was discovered that ozone layer was being depleted by the use of chlorofluorocarbons which cause Ultra violet rays to reach on the earth atmosphere...
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  • Global warming
    there are still some people out there that choose to ignore it just because of Al Gore bringing that issue to mainstream. According to the website solar-center.stanford, “A panel convened by the U.S National Research Council, the nation's premier science policy body, in June 2006 voiced a "high level...
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  • possibility of inhabitance on Mars
    will live on Mars. With years of studying and photographing scientists have come to the conclusion that there might have been life on mars. If to be entirely accurate, there was life about 12-13 thousand years ago, which may exists so far. Scientists believe that people can inhabit Mars, but after increadibly...
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  • Science B Notes
    somewhere within the universe. Scientists have discovered that the Sun is one star in the Milky Way. Even smaller in scale than a galaxy is a solar system. Our solar system comprises one star (the Sun) and planets orbiting it. Scientists use many different techniques to observe and search for patterns in...
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  • Black Hole
    2010, Hawking and co-author Leonard Mlodinow published a book called The Grand Design. Although sub-titled New answers to the ultimate questions of life and hailed as a major step is solving the mystery of how the universe began, it is in fact a rather short book which speculates about creation using...
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  • Enviromental Science
    global warming. Global warming is the gradual increase in the earth’s surface temperature. There are many things that contribute to global warming human activity, carbon dioxide, some scientists even blame on the sun becoming hotter over time.(Wikipedia) Scientists around the world have been studying...
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  • Global Warming
    these changes are from human activities. In the beginning of the 1800s there were large global conditions known as ice ages from solar radiation, and the release of these gases were by mother-nature and not human kind (Global warming, 2002). Beginning in the mid-19TH century, human activites contributed...
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  • copy paste in te
    global problem. At the beginning of twentieth century progress in medicine, agriculture and industrial techniques seemed to promise everyone a long life, decent food, adequate housing and satisfying employment. However, by 1987, when there were about 5 billion people on the earth, a quarter of them...
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  • Sustainability Outline
    terms) what is sustainability: sustainability is the capacity to endure. “Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs” (Brundtland Commission of the UN on March, 20, 1987) “Three pillars” of sustainability:...
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  • The Greenhouse Effect - Causes & Impacts
    through a transparent medium and are absorbed, but the longer wavelengths of the infrared re-radiation from the heated objects are unable to pass through that medium. The trapping of the long wavelength radiation leads to more heating and a higher resultant temperature. Besides the heating of an automobile...
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  • Science
    atmosphere of Earth is a layer of gases surrounding the planet Earth that is retained by Earth's gravity. The atmosphere protects life on earth by absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night. One...
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  • Astronomy - Paper 5
    INTRODUCTION What is astronomy? Astronomy consist of a lot of things that make up our solar system such as: the nine planets, asteroids, meteorites, the moon and the sun. Astronomy is also a fascinating hobby that can be followed by anyone. You do not need to be, as some people seem to imagine...
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  • Cosmos
    Library of ancient Alexandria The human brain Egyptian Hieroglyphics The origin of life The death of the Sun The evolution of galaxies The origins of matter, suns and worlds COSMOS The story of fifteen billion years of cosmic evolution transforming matter and life into consciousness, of how science...
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  • Mrvdkkdkkdkkdkdkkd
    A Absolute Magnitude A scale for measuring the actual brightness of a celestial object without accounting for the distance of the object. Absolute magnitude measures how bright an object would appear if it were exactly 10 parsecs (about 33 light-years) away from Earth. On this scale, the Sun has an...
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  • Nuke Power
    renewables, wind and solar power, cannot supply the base-load electricity needed for the power grid. They also don't realize that of the five power sources that can supply base-load electricity, coal, oil, hydroelectric dams, nuclear and natural gas, nuclear outranks the others either in cost or environmental...
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  • mars
    about the settlement as well as habitation on mars Methodology: First we will study the characteristics of Mars, the red planet. We know that human life is possible on earth now we will try to discuss about settlement on Mars. Introduction: First we have to understand what Colonization actually...
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