~RS~a~RS~international~RS~q~RS~~RS~z~RS~42~RS~)
3 October: This year's hole was at its maximum size, twice as big as Europe, at the end of September. The layer thinned down to 220 Dobson units, a measure of atmospheric ozone (The global average of the ozone layer is 300 Dobson units)
|
|
3 October: This year's hole was at its maximum size, twice as big as Europe, at the end of September. The layer thinned down to 220 Dobson units, a measure of atmospheric ozone (The global average of the ozone layer is 300 Dobson units) |