Assertion: national park's area | /r/Synonym | outlier
Facets:
Source sentences:
text: There are several distinct landforms, including the Arnhem Land plateau and escarpment (known as “Stone Country”), which reaches heights of some 1,100 feet (330 metres); the Southern Hills and Basins, in the south of the park, which consist of alluvial plains and volcanic rock; the lowlands (Koolpinyah surface), a chain of undulating plains comprising about four-fifths of the park, which consist primarily of laterite soils; floodplains, which are rich in wildlife and plant life and which serve as a drainage area for the South Alligator, West Alligator, East Alligator, and Wildman rivers; estuaries and tidal flats that are covered with mangrove swamps; and areas (known as “outliers”) of the plateau that were once islands in an ancient sea.