Air pollution is a major problem in today's era. It has devastating effect on the life of human , animals and plants.
But it is wrong to say that whole earth is affected by it.
Scientists believe that they have found the cleanest air on earth free from human activity!!
This place is located over southern ocean which surrounds Antarctica.
This type of study is performed for the first time in history . The technique used in this study is called bio aerosol composition test.
In this test bacteria is released into the desired part of atmosphere and the activity of bacteria gives the composition of air.
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