General Knowledge
Q1
Ozone ..... refers to the shrinking ozone layer in the atmosphere. This is a protective layer that filters out harmful UVA and UVB rays from the sun.
(*) depletion
(*) savings
(*) bargain
Ozone ..... refers to the shrinking ozone layer in the atmosphere. This is a protective layer that filters out harmful UVA and UVB rays from the sun.
(*) depletion
(*) savings
(*) bargain
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