Assertion: ozone | /r/AtLocation | small amounts
Facets:
value: naturally
type: MANNER
value: very
type: DEGREE
value: in the earth’s stratosphere
type: LOCATION
value: in earth’s atmosphere
type: LOCATION
Source sentences:
text: It occurs naturally in small amounts in the Earth’s stratosphere, where it absorbs solar ultraviolet radiation, which otherwise could cause severe damage to living organisms on the Earth’s surface.
text: It occurs naturally in small amounts in Earth’s atmosphere but can also be generated by electrical equipment.
text: Ozone the troposphere occurs naturally in very small amounts - about 10 to 30 parts per billion (ppb).