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Gaseous envelope around Earth |
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study of the atmosphere and weather |
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study of distribution of living things |
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study of characteristics, origin and development of landforms |
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sub sphere of hydrosphere that addresses frozen water |
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study of physical features of earth and its atmosphere |
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variation over a landscape |
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point in orbit when planet is nearest to the sun |
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point in orbit when planet is furthest from the sun |
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angle of incidence (solar elevation) |
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angle of sun rays hitting the planet surface |
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inclination (angle btwn axis of rotation and perpendicular line to plane of ecliptic) |
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Earth's axis always points toward North Star at every position of orbit |
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Cancer and Capricorn (23.5 degrees N and S) |
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Arctic and Antarctic (66.5 degrees N and S) |
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intensity of received insolation |
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dependent on sun angle and duration of insolation |
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(ozone depletion) disappearance of ozone due to CFCs (chlorofluorocarbon) |
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