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10 Cards in this Set
- Front
- Back
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can "bounce" certain types of radio waves |
ionosphere |
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the "weather layer" of the atmosphere |
troposphere |
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the outermost layer of the atmosphere |
exosphere |
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the part of the atmosphere with an unchanging mixture of gases |
homosphere |
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the region of earth's magnetic field that is influenced by the solar wind |
magnetosphere |
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the least-understood layer of the atmosphere |
mesosphere |
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The most dangerous form of ultraviolet radiation is __?__. |
UVC |
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The most abundant gas in the lower atmosphere is __?__. |
nitrogen |
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The part of the stratosphere that protects the earth from the sun's harmful ultraviolet is the __?__. |
ozone layer |
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The coldest point in the atmosphere is the __?__. |
mesopause |
