Sand. Sand is composed largely of quartz (silicon dioxide),and is produced by the weathering of quartz-containing rocks. Sand is a raw material in several manufacturing processes,including the manufacture of glass | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kinsbergen, Ton |
Bildgröße: | 4987 px × 3863 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |