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See "It is true that life could not have existed on land until the ozone layer formed about 2 million years ago Why does life on land require an ozone layer?" in the "Related questions" section below.

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14y ago
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10y ago

Ozone formation was a natural process. It is a chemical process. When oxygen is treated with UV radiations oxygen gets converted into ozone.

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9y ago

The ozone was formed far ago. As the first UV touched oxygen, ozone was formed.

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9y ago

The ozone layer is formed in stratosphere. It is mainly present there.

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9y ago

Ozone developed with the development of oxygen. It was converted to ozone by UV.

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Q: When did ozone layer develop?
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How did the ozone layer develop?

you stupid for not knwoing


Why couldn't complex organisms develop the establishment of the ozone layer?

UV rays were the one's that hindered complex organisms. With the ozone layer, these rays were absorbed.


Why is the ozone layer named the ozone layer?

Ozone layer contains ozone in it. Therefore, it is named so.


What is the formed of ozone layer?

Ozone layer is formed of ozone. It is a gas.


What planet includes a layer of ozone?

Earth has a layer of ozone. It is present as the ozone layer.


What do you call damage to the ozone layer?

damage to ozone layer is called ozone depletion. It is thinning of ozone layer.


A layer of the ozone in the protects from earths radation?

Ozone is a layer which protects us. Actually ozone is just a gas, ozone layer is the layer.


What are the layer of gases that surround the ozone layer?

The layer of gases that surround the atmosphere is ozone. It is present as the ozone layer.


What is the ozone layer and how are humans altering it?

Ozone layer is the layer of ozone. Humans are altering it by CFC's.


What is the layer of the atmosphere that inclides the ozone layer?

The ozone layer is in the stratosphere. It is a pool of ozone molecules.


What planet has a protective ozone layer?

Earth and Venus have a protective ozone layer. These planets have ozone molecules in ozone layer.


Which part of atmosphere screens out the harmful radiation from sun?

the ozone layer is the the part of the atmosphere that screens out harmful radiation from the sun.