Assertion: aquifer's porosity | /r/HasProperty | represented by space
Facets:
Source sentences:
text: Primary porosity is represented by the spaces between grains in a sediment or sedimentary rock.
text: Primary porosity is represented by the spaces between grains in a sediment or sedimentary rock.
text: Primary porosity is represented by the spaces between grains in a sediment or sedimentary rock.