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Absolutely! Scientists have observed the "hole" that occurs over the Antarctic for several decades now as it appears at the same time at the end if each winter period. We realize that the thinning area that we call the hole happens very naturally due to the lack of sun in that area. This is why the area disappears shortly after the long winter night ends.
We also know that solar mass ejections can seriously damage this ozone layer. There is strong evidence that solar ejections in the 1800's caused far more damage to the ozone layer then at any other time in recorded history.
Today the layer faces another issue. That is man made chemicals referred to as CFC's. Some people believe that these gases are climbing into our stratosphere and causing additional thinning.
What else can I help you with?
Do scientists know exactly what's causing the ozone layer to disappear?
Yes, scientists know what is causing the ozone layer to disappear. It is the continues use of ozone depleting substances.
Do we cause the ozone layer?
No humans don't cause the ozone layer, however some of the chemicals we use is causing parts of this layer to disappear.
When does the ozone layer disappear?
The ozone layer doesn't disappear in near future. It depends upon how CFC's are released in future.
What led scientists to conclude that CFC gases were causing the ozone layer to become thinner?
The increase in Uv rays. They noticed the UV pattern.
Why does the ozone layer disappear?
ozone layer disappears due to man made chemicals. These are CFC's that damage the ozone layer.
What year do scientists think the ozone layer will have rebound?
Scientists hope the ozone layer will have recovered by around 2050.
How do we know there is an ozone layer?
There is an ozone layer. Scientists have confirmed that.
What layer of the earth do scientists know most about?
the crust because that is the layer we live on so scientists can study it more thourouly
What is causing damage to the ozone layer?
CFC's are causing damage to ozone layer. They react with ozone to deplete it.
What is causing the loss of the ozone layer?
CFC's are causing loss of ozone layer. They react with ozone to deplete it.
How did you know that the ozone layer had a hole?
The ozone layer has a hole.It was proven by scientists.
Is it possible to separate prehistoric periods exactly?
Not exactly, because it is impossible to date rock layers to an absolutely exact age. However, we can get relatively close, with scientists often confident that a rock layer is within a specific range of hundreds of thousands of years.
