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20 Cards in this Set
- Front
- Back
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Is ozone desirable at the ground?
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NO
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Is ozone desirable in the stratosphere?
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YES
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Ozone is a ____(type) air pollutant.
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secondary
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VOCs + NOx + sunlight produces.....
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ground-level ozone
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Another name for "ground-level" ozone is ....
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tropospheric ozone
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The main gas that is depleting the ozone in the stratosphere is....
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CFCs
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CFC stands for....
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chlorofluorocarbons
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A major agricultural pesticide that is also a CFC is m___ b____
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methyl bromide
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A major source of CFCs has been in ___ ____ and r_____.
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air conditioners
refrigerators |
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Ozone is needed in the stratosphere because it protects us from....
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ultraviolet light
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Ozone's chemical formula is....
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O3 (subscript 3)
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The undesirable form of oxygen in stratosphere is....
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oxygen (O2)
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The desirable form of oxygen near the ground is....
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oxygen (O2)
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Ozone at the ground causes ____ in people and ____ plants
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respiration problems
damages |
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UV-A is of ____ energy than UV-B and thus is ____ likely to get through the ozone layer.
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higher
more |
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UV light causes ___ in humans
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skin cancer
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Man could not survive without the ___ layer
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ozone
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The ozone layer is thinnest where?
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Over most of the south pole region
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The reason the ozone hole gets so big in the Antarctic spring is that the stratosphere is so.....
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cold in the winter, that chlorine gets frozen in the air and releases during the spring thaw.
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Ground level ozone is most intense during what time of day?
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Early afternoon when sun is most intense
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