Assertion: carbon dioxide | /r/AtLocation | the atmosphere
Facets:
value: naturally
type: MANNER
value: in the oceans
type: LOCATION
value: for hundreds of years
type: TEMPORAL
value: much longer
type: TEMPORAL
Source sentences:
text: Then in 1756, Scottish chemist Joseph Black (1728–1799) proved that carbon dioxide, which he called fixed air, is present in the atmosphere and that it combines with other chemicals to form new compounds.
text: It absorbs less heat per molecule than the greenhouse gases methane or nitrous oxide, but it’s more abundant and it stays in the atmosphere much longer.
text: But CO2 remains in the atmosphere for hundreds of years and in the oceans for even longer.
text: 2: Carbon dioxide exists naturally in the atmosphere
text: If carbon dioxide remained in the atmosphere, the resulting change in ocean pH would also be similar as ocean mixing would eventually absorb excess carbon dioxide.
text: Over the several billion years of geologic history, the quantity of carbon dioxide found in the atmosphere has been steadily decreasing.
text: This gas is naturally present in the atmosphere.
text: Carbon dioxide is a free gas present in the atmosphere.
text: It is significant that so much carbon dioxide stays in the atmosphere because CO 2 is the most important gas for controlling Earth’s temperature.