Assertion: nebula's material | /r/CapableOf | return to the ism
Facets:
Source sentences:
text: A significant fraction of the material returned to the ISM goes through the AGB – PNe pathway, making these stars one of the major sources of pollution of the ISM.
text: A significant fraction of the material returned to the ISM goes through the AGB – PNe pathway, making these stars one of the major sources of pollution of the ISM.