User talk:Ardnetij Ramuk

science
OZONE HOLE Deplection in the concentration O³ over a restricted area over antarctica is called ozone hole. springtime deplection of O³ is due to action of sunlight over pollutants which release chemicals - chlorine and destroy ozone. An ozone hole was discovered over 2000 which was quite large about 28.3 million sq. km. Ardnetij Ramuk (talk) 16:40, 15 October 2017 (UTC)