Answer:
Changes in the pressure create the flow of the air to move up and down in the ear and thus create popping sound.
Explanation:
- The ear-popping is caused by the phenomenon of the opening of the Eustachian tube when one swallows and it might be automatically when you blow our nose or are setting in an airplane and this sound is created when the air enters the middle ear through the tube.
Answer:
The purpose of both the Truman Doctrine and Marshall Plan were to curb the spread of Communism.
Explanation:
The Truman Doctrine was an American foreign policy which stated purpose was to contain Soviet geopolitical expansion during the cold war.
The Marshall Plan was a Economic recovery plan to help recover Western Europe's devastated economy after WW2, and was only available to non-communist nations
Answer:
Peninsula =
a piece of land almost surrounded by water or projecting out into a body of water.
Explanation: