Ozone is the gas. This is present as ozone layer.
The atmosphere and especially the ozone layer
Ultraviolet light.
There is a region in atmosphere containing ozone. It is called ozone layer.
ozone layer
Not as ultraviolet; the radiation is emitted as infrared radiation.
It absorbs radiation to protect it. It protects from UV rays.
the greenhouse effect!
nitrogen
Ozone
The atmosphere and especially the ozone layer
Ozone is (relatively) opaque to ultraviolet light.
Ozone