Assertion: ozone | /r/CapableOf | get created
Facets:
value: from that
type: OTHER
Source sentences:
text: As noted in the quote above, motor vehicle exhaust has increased the atmospheric material that ozone gets created from in our lower atmosphere, so there are man-made reasons for the increase in tropospheric ozone concentration, 237 ppb in 1750 to 337 ppb today.