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An Intiative by Sri Chaitanya
a
Ozone hole is a hole formed in stratosphere from which ozone oozes out
b
Ozone hole is a hole formed in the troposphere from which ozone oozes out
c
Ozone hole is thinning of ozone layer of stratosphere at some places
d
Ozone hole means vanishing of ozone layer around the earth completely
answer is C.
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