Assertion: carbon dioxide | /r/HasProperty | released by volcano
Facets:
Source sentences:
text: Much of the carbon dioxide released by volcanoes is emitted by degassing of subterranean magma when the volcano is not erupting.
text: Carbon dioxide released by volcanoes enters the lower lithosphere when carbon-rich sediments and sedimentary rocks are subducted and partially melted beneath tectonic boundary zones.