You should spend around 20 minutes on this task. The diagram below shows the way in which sand dunes are formed. Для изменения и Summarise the information by selecting and reporting the main features, and make comparison where relevant. Write at least 150 words.

The diagrams compare three different ways of sand dunes are shaped including main features such as wind, sand particles, wet sand and dry sand. Overall,every form of sand dunes are unique.There are noticeable differences in the direction of wind with straight, upward and downward.Other futures such as sand particles, wet and dry sand differ from […]