Sand dunes are formed by wind.
Explanation: Dunes form when wind blows sand into a sheltered area behind an obstacle.
Siemens energy oil and gas
Answer:the answer would most definitely be the 3rd one you are welcome
Explanation:
People think that it is a war that we should have not fought because we didn’t win, many soldiers were killed, and south Vietnam’s became communist after the 20 year war.
Egypt would be your answer