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Atmosphere
Term | Definition |
---|---|
Atmosphere | the envelope of gases surrounding the earth or another planet. |
troposphere | the lowest region of the atmosphere |
stratosphere | second major layer |
mesosphere | is the middle layer |
ionosphere | the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves. |
thermosphere | is very hot |
exosphere | outermost region of the plant |
ultra Violette radiation |