Assertion: plastic | /r/HasProperty | exposed at the surface
Facets:
Source sentences:
text: Some modes of degradation require that the plastic be exposed at the surface (aerobic), whereas other modes will only be effective if certain conditions exist in landfill or composting systems (anaerobic).
text: Some modes of degradation require that the plastic be exposed at the surface (aerobic), whereas other modes will only be effective, if certain conditions exist in landfill or composting systems (anaerobic).