What is the purpose of a frog's eustachian tube? A: The purpose of a frog's eustachian tube is to allow the frog to hear and to equalize the pressure inside of the frog's inner ear, reports Biology Corner. Humans and many other animals also have eustachian tubes for these same purposes.
The Origins of the North Atlantic Treaty Organization (NATO). The fear of Soviet expansion into Western Europe was among the reasons for the formation of the North Atlantic Treaty Organization. NATO was also a product of the experiences of the Berlin Airlift.Visit the U.S. State Department page on the origins of NATO for a detailed American perspective complete with pictures of the Marshall Plan and the Berlin Airlift.he Berlin Airlift and NATO. Many gather to watch a C-54 loaded with supplies land at Tempelhof airfield in the U.S. sector of Berlin. Over the 11 month course of the Airlift, nearly 4000 tons of goods were delivered every day.
Posted on. (Answer #1). The Berlin Airlift happened in 1949. It was a time when the American and British air forces supplied the city of West Berlin with everything it needed to survive -- everything from food to coal. It all had to be flown in.he reason it happened is that the Russians had cut off access from the Allied zones of occupation in West Germany to West Berlin, which was in the Russian zone (what became East Germany). So the Allies had to either surrender West Berlin or they had to supply it by air.