questionedithistorytranslationsCurrent version This is the accepted version. added by KYRTAPS June 3, 2014, 4:27 p.m. Which Greek letter is used to describe a type of river mouth? sigmaalphadeltagammaDelta looks like Greek letter Δ. It is formed when deposition of sediment is more intensive than sea erosion.KYRTAPSShare and bring new players to the game!0Very uninterestingToo difficultPoorly writtenIncorrect or questionableCorrect this questionwikipedia → River delta3Very interesting! wikipedia → River deltareach: rather globalgeographygeologyriverswaterVotes +3 Very interesting! globalquiz.org