The result of ozone hole is
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The result of ozone hole is
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Greenhouse effect is caused by
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Peeling of ozone umbrella, which protects us from UV rays, is caused by
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The sound above what level is considered as harmful?
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Oxidation Ponds involve
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Which of the following is usually not classified as atmospheric pollutant?
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Water pollution is mainly caused by
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Natural sink of stratospheric ozone layer is
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Formation of ozone is maximum over
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Smog is
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The most dangerous metal pollutant of automobile exhaust is
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Depletion of ozone layer is due to oxide of
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