The ozone is expected to deplete more. It is because of the use of CFC's.
Cfcs have a long atmospheric lifetime. because of this it will take many decades before the ozone layer returns to its former concentration.
You might need to curb CFC's. they react with ozone to deplete it.
The ozone layer happens by UV rays.They decompose and replenish it.
Technically the top layer of permafrost, this is the active layer. IT can melt during the summer but refreeze during the winter. The lower layer is always frozen, however.
The Rock Layer has to harden first of all before it can be deposited.
Cfcs have a long atmospheric lifetime. because of this it will take many decades before the ozone layer returns to its former concentration.
When the sun begins to cool, no ozone will be there. But this is not expected now.
See "What would happen if the ozone layer vanished?"
You might need to curb CFC's. they react with ozone to deplete it.
the crust layer.
The ozone is not expected to deplete yet. It depends on how we emit the CFC's.
Fighting Layer happened in 1998.
Layer 3,4 and 7
Pleistocene rock layer
The endometrium is the innermost layer of the uterus. It is the layer that is shed during menstruation.
The layer of the atmosphere that most weather takes place in, is the troposphere. This layer is the lowest layer of the atmosphere.
On the first layer, which would be the Tectonic plates