Answer:
Defletion hollows: Defletion hollows are ever wind has removed sand down to a level where a layer of particles is too heavy for the wind to move stabilises the sand and prevent the surface being lowered further. It's also known as blow out dune.
Explanation:
Sorry ,I only know about this so i can't tell u of others
I’m pretty sure the answer is timber
Answer:
c. Vietnam
Explanation:
Vietnam is a notably elongated country with a long coastline provides it with easy to access marine resources