The ozone hole is maximum over _______ .
The ozone hole is maximum over _______ .
The correct option is B Antarctica
The ozone hole is caused by the effect of pollutants in the atmosphere destroying the stratospheric ozone. During the Antarctic winter, something special happens to the Antarctic weather. Firstly, strong circular winds form that blow around the whole continent. This is known as the "polar vortex" - this isolates the air over Antarctica from the rest of the world. Secondly, special clouds form called Polar Stratospheric Clouds. Clouds don't normally form in the stratosphere and these turn out to have the effect of concentrating the pollutants that break down the ozone, thus speeding the process up. By the time spring arrives and the sun comes back after the long polar night, the ozone levels are severely depleted around the Antarctic continent causing the "ozone hole". This is then followed by a particularly long period of high sunshine and long days, just to make the effect of the ozone hole worse with all that uv light around.
Antarctica
The ozone hole is caused by the effect of pollutants in the atmosphere destroying the stratospheric ozone. During the Antarctic winter, something special happens to the Antarctic weather. Firstly, strong circular winds form that blow around the whole continent. This is known as the "polar vortex" - this isolates the air over Antarctica from the rest of the world. Secondly, special clouds form called Polar Stratospheric Clouds. Clouds don't normally form in the stratosphere and these turn out to have the effect of concentrating the pollutants that break down the ozone, thus speeding the process up. By the time spring arrives and the sun comes back after the long polar night, the ozone levels are severely depleted around the Antarctic continent causing the "ozone hole". This is then followed by a particularly long period of high sunshine and long days, just to make the effect of the ozone hole worse with all that uv light around.
