grass
A floor or ground surface covered by living grass rooted in soil, generally kept short for walking, recreation, or sport.
As a flooring or ground surface, grass is a soft, naturalistic layer of grass plants anchored in soil and preserved from overgrowth of other plant species. When used as a lawn, sports pitch, walking surface, or recreational surface it is generally trimmed short, to no more than about 6-9 centimeters.
The grass plants form a living surface anchored in soil. Synthetic grass-colored surfacing is a different material.
Lawns and sports or walking surfaces are generally maintained at the stated short height of about 6 to 9 centimeters or less. Control of competing growth keeps grass as the surface cover.
grass Photos
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hard sand
A floor or ground area composed of sand particles packed or hardened into a firm surface. -
ice
A hard layer of frozen water used as a floor, ground, or sports surface, commonly smoothed for skating. -
sawdust
A floor or ground surface covered by very fine, powder-like wood particles, usually from sawing or planing. -
soft sand
A floor or ground area composed of sand particles packed very loosely with pronounced ripples in the surface. -
soil
Flooring or ground composed of earthen material with a natural mixture of minerals and organic substances. -
wood chips
A floor or ground surface with an upper layer of small, loose wood pieces, usually shredded or produced by woodcutting.