173k views
5 votes
Sand dunes are formed by _____.

User Einav
by
6.9k points

2 Answers

3 votes
That would be wind blowing and piling sand up together until it becomes a dune. :D
User Zcleghern
by
6.7k points
4 votes
Wind and erosion overtime
User Graham Hotchkiss
by
5.9k points