The diagrams below show how sand dunes are formed. Summarise the information by selecting and reporting the main features.

The pictures illustrate the formation of sand dunes in a natural environment. Overall, the process involves 3 main stages,primarily driven by the interaction of wind directions and sand particles, patches of wet ground .A key feature of this process is that moisture traps sand particles, permitting them to accumulate to eventually create sand dunes. At […]