It covers the Earth, with an exception of an "ozone hole" over the pole currently having winter.
Ozone layer was depleted. It's size has been coming to normal in recent years.
Yes, it has. Size of ozone layer changes according to the use of CFC's.
The size of the ozone layer has changed. Due to the CFC's the ozone has decreased. Most of the loss has been over the poles.
It is hard to fix the hole in the ozone layer. It is because ozone hole is very big in size.
The size of ozone layer in year 2008 was moderate. It was recovering.
Yes, the size of ozone layer is changing. It is because of change in concentrations of CFC are variable.
Molecule size changes of the ozone. When it is being depleted the most.
The hole in the ozone layer varies in size during the year. In 2012, the largest extent of the ozone hole was 8.2 million square miles. This is roughly the size of North America.
The size of ozone hole is changing. It can either be increased or decreased.
size equal to three element of oxygen
The molecules that destroy ozone at CFC's. Chlorine molecule are the ones.
The ozone layer has a hole over Antarctica known as the ozone hole. This hole varies in size throughout the year but reaches its maximum size in September. The hole is caused by the release of chlorofluorocarbons (CFCs) and other ozone-depleting substances into the atmosphere.