Compléter Icfes training 10DVersion en ligne Complete the text with the correct words par Leidy Liliana Amaya Martinez 1 nobody around using largest which so because the us The Ozone Layer is a 'blanket' the earth . It protects from the sun's ultraviolet ( UV ) rays . The problem is that there is a hole in the Ozone layer over Antarctica . Humans made that hole people use some products have terrible effects on the ozone . Scientists say that this year hole broke all records : it is the in history . It is 27 . 4 million km2 . Why is this hole big ? One reason is that the clouds over the South Pole carry chlorine ( Cl ) and that gas slowly eliminates the ozone . Now people are thinking more about the ozone . They are other substances and in some years , will remember what the 'ozone hole' was .
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