The three major types of volcanoes are
a. shield volcanoes, conduits, and vents.
b. shield volcanoes, cinder cones, and composite volcanoes.
c. calderas, conduits, and vents.
d. shield volcanoes, cinder cones, and calderas.

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