There are two points that become thinner for a few months each year. They are on the non sun side of each pole. This is because the thinning is caused by the lack of sun. When the area goes through it's winter, the sun is unable to hit the area. The ozone decays and the "hole" is present for a few months.
The equator, where people actually exist, does not see a thinning.
Ozone layer contains ozone in it. Therefore, it is named so.
Earth has a layer of ozone. It is present as the ozone layer.
Ozone is a layer which protects us. Actually ozone is just a gas, ozone layer is the layer.
Earth and Venus have a protective ozone layer. These planets have ozone molecules in ozone layer.
the ozone layer is the the part of the atmosphere that screens out harmful radiation from the sun.
Ozone layer contains ozone in it. Therefore, it is named so.
Ozone layer is formed of ozone. It is a gas.
Earth has a layer of ozone. It is present as the ozone layer.
damage to ozone layer is called ozone depletion. It is thinning of ozone layer.
Ozone is a layer which protects us. Actually ozone is just a gas, ozone layer is the layer.
The layer of gases that surround the atmosphere is ozone. It is present as the ozone layer.
Ozone layer is the layer of ozone. Humans are altering it by CFC's.
The ozone layer is in the stratosphere. It is a pool of ozone molecules.
Earth and Venus have a protective ozone layer. These planets have ozone molecules in ozone layer.
the ozone layer is the the part of the atmosphere that screens out harmful radiation from the sun.
The stratosphere has ozone in it. It is present as ozone layer.
In the ozone layer. Where the ozone is.