Assertion: ozone | /r/CapableOf | form layer
Facets:
value: in the stratosphere
type: LOCATION
Source sentences:
text: In the stratosphere, ozone forms a layer that protects us from the sun by absorbing harmful ultraviolet radiation before it gets to the surface (see Ozone Layer).
text: High up in the atmosphere, ozone forms a layer that shields the Earth from ultraviolet rays.