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Discovery
The ozone layer was discovered -
What is it
ozone layer comes from the exposure of the sun -
layers
around this time they figurted that the ozone has different layers to it -
Importants
Peopl figure out that the ozone layer is important because it protect the living organism on the earth's surfaces -
The noticing
reseachrches notice something was wrong wit hthe stratosphere in the 1970's -
How
Chlorine gets to the air by when contacted with rays by CFC, which breaks into chlorine which starts breaking the molecules of the ozone -
1987
in 1987 scienctist signed Montreal Protocol to reduce the ozone layer and try to rduce around the 2000's came around -
Value of the Ozone
in the 1994 ozone layer lost half of its value -
Cause
scientists firgure there are 4 causes of the depletion of the ozone one is isolating the air due to the formation of the polar -
Monthly Average
from the averages of the October from 1980-1991, show the ozone layer has been depleted -
The problem
scientists thought that the realease of the CFC was going reduce the ozone that protets us -
Ozone Loss
When hot weathers return the polar vortex, it causes the active chlorine to destroy the ozone