See "What can we do to protect the ozone layer?"
Many countries have entered in to a pact to stop harmful chemicals that can destroy the ozone layer. Environmental awareness should be increased in order to save the ozone layer.
Planting trees is a solution for ozone layer depletion. Decreasing CFC's is also one of it.
We do not need solutions to ozone layer. The ozone layer is automatically in the solutions list to problems.
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.
the ozone layer is the the part of the atmosphere that screens out harmful radiation from the sun.
Earth and Venus have a protective ozone layer. These planets have ozone molecules in ozone layer.
Plats reduce global warming and since global warming is related to ozone depletion. Thus plants improve ozone depletion.
Ozone layer contains ozone in it. Therefore, it is named so.
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.
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.