Answer:
because trade barriers protect domestic industry and jobs. Workers in export industries benefit from trade. Moreover, all workers are consumers and benefit from the expanded market choices and lower prices that trade brings.
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
