Question

How to sand dunes form?

A) Ocean Waves
B) Weathering of old rocks in the desert
C) The wind carries the sand until it runs into an obstacle
D) Gravity

Answer 1

C) The wind carries the sand until it runs into an obstacle

Step-by-step explanation:

How to sand dunes form?

A) Ocean Waves

B) Weathering of old rocks in the desert

C) The wind carries the sand until it runs into an obstacle

D) Gravity

Answer 2

C) The wind carries the sand until it runs into an obstacle