Question

Which of the following natural factors is likely to support coastal dune formation (A)winds blowing offshore (b) vegetation around the beach (c) strong winds blowing in all directions (d) higher rate of erosion than deposition

Answer 1

B
the vegetation acts as a barrier blocking the sands movement.
in time,the wind blows more on top of it and it continues this process,forming a dune.
much like how snow drifts are formed next to houses.