It is generally considered physical. It is not cultural since culture is not restricted by physical geography.
no.
The "Iron Curtain" was not a physical object, but a description for the complete blockage of information-sharing between western Europe and the Soviet Union, imposed by the people in charge of the Union to maintain their cultural and social separation.
Both cultural and physical tended to separate Russia from western Europe
Generation Gap
cultural consensus is the state of mind that believed that there is no absolutism, and there is no separation between matter and mind.
physical change
Physical environment refers to the natural surroundings of an area, including landforms, climate, and natural resources. Cultural environment, on the other hand, refers to the social and cultural factors that shape a community, such as language, religion, customs, and traditions. While physical environment is more tangible and can directly impact human activities, cultural environment influences social interactions and behaviors.
Salt water is a solution, a mixture not a "separation".
Asia of Europe is a cultural expression referring to trans-cultural influences between Asia and Europe. Routinely is reflected in the arts and politics in Europe.
cultural difference within Europe have declined
Europe
There is no physical separation of the continents, as there is (albeit artificially) between Eurasia and Africa, and between North and South America. The division of Eurasia into Europe and Asia is an historic one, one that is both arbitrary and inexact.