JOHN DALTON Lived from: 1766-1844 Put forward atomic model in: 1803 Nickname for his model: Billiard Ball Model Description of his model: Dalton was an English chemist and teacher who used experimental evidence to form the atomic theory of matter: All elements are composed (made up) of atoms. It is impossible to divide or destroy an atom.
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Much of the X-ray and UV radiation from the Sun is absorbed in the thermosphere. When the Sun is very active and emitting more high energy radiation, the thermosphere gets hotter and expands or "puffs up".
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People not having to work to feed themselves for the earth provided food in abundance.
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approximately 70%
In total approximately 70% of incoming radiation is absorbed by the atmosphere and the Earth's surface while around 30% is reflected back to space and does not heat the surface.
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