The ozone layer is a pool of ozone molecules spread all over. These molecules form a protective shield.
The thinning of ozone layer. When this thinning reaches a certain concentration then it is ozone hole.
Ozone layer contains ozone in it. Therefore, it is named so.
The ozone layer is present in the stratospheric region of atmosphere. This ozone layer allows the filter out the harmful UV rays of the sun.
The ozone layer in Tagalog is called "tunog ozone."
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.