Which country is completely bordered by another single country

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

Which type of seismic waves are confined at the surface

Which statement about portugal is not true? a. it granted independence to its last colony in 1975 b. it has avoided conflict with spain c. it was a leader in european world exploration in the 1400s d. its economy is changing from agricultural to industrial b. it has avoided conflict with spain