Question

It is a hill or ridge made of sand. Its
shape keeps on changing due to the wind.​

Answer 1

Answer:

Explanation:

Sand dunes are hills of sand that are made by winds as they blow across deserts. ... As they roll and bounce on the ground, these particles create small, wave-shaped ripples of sand. These ripples can build up into larger structures, called dunes.

Answer 2

Answer:

Sand Dunes is the answer