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3847476
THE OZONE HOLE
Description
Mind Map on THE OZONE HOLE, created by evpericoc on 21/10/2015.
Mind Map by
evpericoc
, updated more than 1 year ago
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Created by
evpericoc
almost 9 years ago
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Resource summary
THE OZONE HOLE
A fraction of the radiant energy producted sun ultraviolet (UV)
is so energetic that it can damage biological molecules.
1985
British atmospheric scientists
published the startling news that springtime levels of stratospheric ozone
Artarcticahad declined by more than 40% since
1977.
the ozone hole is caused primarily
by human production
release of chlorofluorocarbons
(CFCs)
1987
montreal protocol
subsequent amendments set limits
established phase-out
periods for several ozone-depleting substance,.
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