Question

1. what type of dune forms when the wind comes from more than one direction?

a. transverse dune
b. longitudinal dune
c. barchan dune
d. star dune

Explanation:

Star dunes form when wind blows from multiple different directions, creating a multi-armed, star-like shape. The other dune types form under single-directional wind: transverse dunes are perpendicular to wind direction, longitudinal dunes run parallel to wind, and barchan dunes are crescent-shaped from consistent wind.

Answer:

d. a star dune