Do we have holes in our ozone layer ? If yes where and how big are they?

Yes we have holes in our ozone layer. They are present in the ozone layer and they vary in size. 

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yes there are holes in ozone layer they are in Antarctica and in many different places on earth their size may vary
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yes,there were holes in ozone layer they are in antarctica and in many different places on earth.They are present in the ozone layer and they vary in size.
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YES WE HAVE  OZONE HOLE.THEY ARE MIND BLOWING UP TO 27 MILLION sq.m.
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YES,WE HAVE HOLES IN THE OZONE LAYER AND THEY ARE ALMOST 27 MILION sz.m.
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