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Book Encyclopedia Volume World Book Encyclopedia Volume Map
856 wordsCartography is described by Webster's as the art of making maps, but how is it done? A cartographer doesn't just sit down and draw a map free hand. He has to have techniques and equipment to do the job right and accurately. Maps can be made in three different ways: cylindrical projection, conic projection, and azimuthal projection. These different ways vary the quality and the accuracy of the map. No matter how a map is made it is going to have geographic grids, which help us find and describe l...
Free research essays on topics related to: globe, map, projections, projection, world book -
Greenhouse Gas Emissions Earths Surface
297 wordsThis Greenhouse Effect Greenhouse Effect This effect is the result of certain atmospheric gases letting sunlight through to the earths surface, while not letting energy radiated outward from the earths surface. This results in a net buildup of solar energy in the Earths atmosphere, because the flow in is greater than the flow outwards. The chemicals that are most significantly involved in this effect are chlorofluorocarbons (CFCs), hydrogenated chlorofluorocarbons (HCFCs), nitrous oxide (N 2 O),...
Free research essays on topics related to: earths surface, projections, greenhouse gas emissions, greenhouse, greenhouse effect
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