Assertion: aquifer's porosity | /r/HasProperty | expressed as percentage
Facets:
Source sentences:
text: Porosity is expressed as a percentage calculated from the volume of open space in a rock compared with the total volume of rock.
text: Porosity is expressed as a percentage calculated from the volume of open space in a rock compared with the total volume of rock.
text: Porosity is expressed as a percentage calculated from the volume of open space in a rock compared with the total volume of rock.