ozone parat sharan - aarth,sharan ke karan , pryavaran par prabhav and smadahan .
essay on them plzzzzzzzzzzzzzzzzzzzzzzzz
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as we all know that the ozone layer protected our earth from the harmful , radiation of UV rays from sun it cause various dieses,but co2 is breaking thT
pokhriyalgunugunu:
in hindi and long enough for a a3 size sheet
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