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1. 
where are ridges
A.
divergent boundaries
B.
convergent boundaries
C.
transform boundaries
D.
whirl pools
2. 
where are trenches
A.
divergent boundaries
B.
convergent boundaries
C.
transform boundaries
D.
whirl pools
3. 
where are faults
A.
divergent boundaries
B.
convergent boundaries
C.
transform boundaries
D.
whirl pools
4. 
how do hot spot volcanoes form
A.
mantle plume
B.
magic
C.
fire
D.
hot water
E.
divergent plate boundaries