Question

What is true of sand dunes found at the beach?

A) They are built by waves
B) They are made by rivers cutting through land
C) They are built by water carrying sediment away
D) They are built by the deposition of sand by wind

Answer 1

the answer would be D, they are built by the deposition of sand by wind

Answer 2

D) They are built by the deposition of sand by wind