Which describes a geographic factor that has made it difficult for a country to remain independent?

Nuclear experimentation is a major global issue that affects relationships between countries. describe why countries try to limit the testing of nuclear weapons.

Air masses are characterized by various properties including temperature humidity air pressure and wind speed. which of the following air masses is associated with low relative humidity and high air temperature ?

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.