questionedithistorytranslationsCurrent version This is the accepted version. added by Ts Dec. 16, 2018, 12:40 p.m. What percentage of the Sahara Desert is made up of sand? 9%15%21%43%Regions of sand dunes (erg) occupy only about 15% of the Sahara; "stone deserts," consisting of plateaus of denuded rock (hammada) or areas of coarse gravel (reg), cover about 70% of the region; mountains, oases, and transition zones account for the remainder.TsShare and bring new players to the game!0Very uninterestingToo difficultPoorly writtenIncorrect or questionableCorrect this questionwww.encyclopedia.com3Very interesting! www.encyclopedia.comreach: rather globalgeographyVotes +1 Very interesting! I know +1 Very interesting! --- +1 Very interesting! M