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a _ _ _ _ process involving solar ultraviolet radiation and oxygen At middle and high latitudes over the course of a year(passive) is created byThe stratospheric ozone shield
of greenhouse gases like water vapor , carbon dioxide ( CO2 ) , methane , nitrous oxide and ozone that absorb and reflect solar radiation , keeping the temperature of Earth at 15 ° C , instead of -18 ° C if this layer did not exist(passive) is composedThe ozone shield
earth 's inability(passive) caused bythe ozone shield
which is dense with less poressoto preventozone ( O.sub.3
atmospheric oxygen ... which then recombinecreatingozone [ O3]).[18
after plants had released enough oxygento createan ozone shield
Over Antarctica(passive) Is DiscoveredArchives|Growing Hole in Ozone Shield
The continuous depletion of EarthledOzone Shield
The two gasescan causedamage to ozone shield
a moderately toxic gascausingozone depletion.[9
much of the ultraviolet radiation from the sun from reaching the Earthpreventsmuch of the ultraviolet radiation from the sun from reaching the Earth
harmful solar short - wave ultraviolet ( UV ) radiation in the UV - B rangepreventsharmful solar short - wave ultraviolet ( UV ) radiation in the UV - B range
ultraviolet - B ( UV - B ) radiation from reaching the Earth 's surface ( see " Methyl Bromide Destroys the Ozone Layer " factsheetpreventsultraviolet - B ( UV - B ) radiation from reaching the Earth 's surface ( see " Methyl Bromide Destroys the Ozone Layer " factsheet
dangerous radiation from reaching the Earth 's surfacepreventsdangerous radiation from reaching the Earth 's surface
the passage of the Sun ’s ultraviolet rayspreventsthe passage of the Sun ’s ultraviolet rays
from the bottom - upLeadingfrom the bottom - up
an ozone holecreatingan ozone hole
to international governmental actionledto international governmental action
an increase in skin cancerCan causean increase in skin cancer
to forest declines previously observed in the fossil recordmay have ledto forest declines previously observed in the fossil record